Transistor circuit questions and answers pdf It tests knowledge of transistor fundamentals like the number of junctions in a transistor, the doping of different terminals, current flow, biasing configurations, and characteristics like beta, alpha and leakage currents. What parameters of the circuit determines the output resistance? Hint: There are two. 2) Calculating parameters for an n-channel MOSFET amplifier circuit. electrons or holes. Metal oxide semiconductor field effect transistor (MOSFET) A JFET is a three terminal semiconductor device in which current conduction is by one type of carrier i. www. Draw the This document provides 50 questions and answers related to transistor biasing. D. 5 %µµµµ 1 0 obj >>> endobj 2 0 obj > endobj 3 0 obj >/ExtGState >/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 612 792] /Contents 4 0 R/Group Dec 7, 2015 · Attention! Your ePaper is waiting for publication! By publishing your document, the content will be optimally indexed by Google via AI and sorted into the right category for over 500 million ePaper readers on YUMPU. This set of Analog Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Transistor Bias Configuration”. 18-1 to learn online college courses. 3-22 to study online training courses. The principles described apply to circuits employing discrete transistors and those embodied in i. Generally no arrow head is marked for collector since its reverse leakage current is always opposite to the direction of emitter current. proving the transistor can be connected in so many ways. Consider Save 340+ Digital Logic Circuits (DLC) Solved MCQs These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Computer Science Engineering (CSE) . It includes questions about missing voltages and currents in transistor circuits, filling in blanks to define transistor terms, solving for unknown values like current and voltage in transistor circuits, and analyzing a common emitter amplifier circuit with voltage divider biasing. The circuit seen looking out of the emitter of Q1 is replaced with a Thévenin equivalent circuit made with respect to v2. 5. Mention the types (NPN and PNP) and their basic operation principle. . Problem 2 finds the required resistor value for saturation at a given input voltage. BJT is biased to _____ a) Work as a switch Q. In order to make effective Notes: It has been my experience that students require much practice with circuit analysis to become proficient. Related Short Answer Questions (i) What do you mean by biasing of a transistor ? Explain with examples Electronics Questions and Answers (20) Filter Circuits (9) Founder Speaks (3) GATE Questions and Answers (1) Integrated Circuits (7) Inter view (8) Introduction to Electronics (1) JK Flip Flop (3) Logic circuits (1) Logic Gates and Boolean Algebra (10) Long Questions and Answers (3) MCQ (3) Multiple Choice Questions and Answers (57) Number • Examine three basic applications of bipolar transistor circuits. This is helpful for users who are preparing for their exams, interviews, or professionals who would like to brush up their fundamentals on the Transistors topic which E 1 Ω = 4 volts. It addresses topics like clocked sequential circuits, register cell components, dynamic register element transistors, storage element usage based on signal update frequency, setup and hold times, power dissipation in CMOS circuits, master slave circuits, SR flip flop circuitry, memory types, latch outputs, and Knowledge application - use your knowledge to answer questions about how transistors convert and use the electrical current that is passed through them Additional Learning 1. 50 TOP POWER ELECTRONICS Questions and Answers pdf. It's not out of line for any one transistor at a particular operating point to have 10x more gain than the minimum guaranteed by the datasheet. Fig. What type of ampliﬁer is this? Common source. 6 days ago · Get Bipolar Junction Transistor Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Here are some transistor part numbers you could research datasheets for: 2N2222 2N2905 2N2907 2N3403 2N3703 2N3904 2N3906 2N4125 2N4403 2N3055 TIP 29 TIP 31 TIP 32 TIP 41 TIP 42. Electronic Devices and Circuits Questions and Answers – High Input Resistance Transistor Circuit ; Electronic Devices and Circuits Questions and Answers – Class B Output Stage ; Electronic Devices and Circuits Questions and Answers – Analysis of Transistor Amplifier Circuit using h-parameters This document provides 34 questions and answers related to viva voce exams for an Electronic Device and Circuits lab. It is widely used in circuits. Active Region - the transistor operates as an amplifier and . • BJT output transistors. What are the various parts of the transistor? Base, collector and emitter are the various parts of the transistor. DetermineR 1 andR 2 to obtain a stable-bias with the Q-point in the center of the load line. 100 mA 2. Solution : Q3. The PDF contains Previous Year Questions of Electronic Devices from JEE Main Exams, providing students with enough problem-solving skills for the upcoming exam. FET ( Field Effect Transistor) is one of the most important semiconductor devices. Transistor has three terminals and is used in electronic circuits as amplifiers and switches. 1-1, Bipolar Junction Transistors App Download to study distance learning courses. Transistor terminal voltages: VC, VC, VE Voltages across transistor junctions: VBE, VCE, VCB All of these voltages and their polarities are shown on Figure 5 for the npn BJT. 2 mA. With necessary circuit and waveform, explain the switching characteristics of a transistor in detail. Hence the current flows through R 2 is the same as R 1. It was the first transistor to be invented. A JFET has the following parameters: IDSS = 32 mA ; VGS (off) = – 8V ; VGS = – 4. The questions are grouped into topics like semiconductor diodes and Zener diodes, transistor characteristics for common-base, common-emitter and common-collector configurations, field effect transistors, unijunction transistors, and thyristors including SCR, DIAC and TRIAC. The element that has the biggest size in a transistor is_____ A. Gain insights on key concepts, operation principles, and practical applications of BJTs. Define the term transistor and give a brief description of its construction and operation. Common-Emitter Amplifier 1. 3) Drawing the hybrid-π model for a BJT amplifier and calculating its time constants and bandwidth. Then bipolar transistors have the ability to operate within three different regions: • 1. For Typical Field Effect Transistor example, high efficiency, instant operation, robust and cheap and can be used in most electronic circuit applications to replace their equivalent bipolar Bipolar Junction Transistors Multiple Choice Questions (MCQ) with Answers PDF: "Bipolar Junction Transistors" App Free Download, Digital Electronics MCQ e-Book PDF Ch. Calculate the new values of I CQ and V CEQ. To this end, instructors usually provide their students with lots of practice problems to work through, and provide answers for students to check their work against. A type of transistor that is controlled by voltage rather than current. The Bipolar Junction Transistors MCQ with Answers PDF: A small current entering the base is amplified to produce a large collector and emitter current in; for online career assessment. P 2 Ω = 32 watts. The Bipolar Junction Transistors MCQs with Answers PDF: Cutoff and saturation can be illustrated in relation to the collector characteristic curve by the use of a; for online engineering This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Diode Circuits”. Figure 3: (a) Ampliﬁer circuit. 5 V. learnabout-electronics. Marks: 70 Note: This question paper Consists of 5 Sections. 2)MOSFET. base. MOSFET (Metal Oxide Silicon Field Effect Transistor) is an electronic device used to switch or amplify voltages in circuits. Frequently asked questions and answers of Transistors in Electronics Devices and Circuits of Electronics Engineering to enhance your skills, knowledge on the selected topic. Download these Free Transistors MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. The answers provide technical Give your students the opportunity to analyze both these circuits with simulation software, so they may appreciate the power of this technology. The Bipolar Junction Transistors MCQs with Answers PDF: Collector region of BJT is always; for college entrance test. ﬁle 01265 Question 9 Bipolar junction transistor (BJT) function is usually considered in terms of currents: a relatively small current through one of the transistor’s terminals exerts control over a much larger current. Marks:60 Note: ThisquestionpapercontainstwopartsAandB. Typical base-emitter voltages, V BE for both NPN and PNP transistors are as follows: If the transistor is made up of a silicon material, the base-emitter voltage V BE will This document contains review questions and answers about low power circuits and systems from a professor at IIT Kharagpur. For the circuit shown in Figure 1, the transistor parameters are β = 100 and VA = ∞. Jul 6, 2021 · All the Transistor Biasing Questions & Answers given below includes solution and link wherever possible to the relevant topic. Answer: a Explanation: Source and drain in the MOS transistors are doped with N-type material and %PDF-1. In addition to reading the questions and answers on my site, I would suggest you to check the following, on amazon, as well: Aug 22, 2023 · In this section of Electronic Devices and Circuits. It progresses from basic diodes through bipolar and field effect transistors. Why should I learn to solve Electronic Devices questions and answers section on "Bipolar Junction Transistors"? Learn and practise solving Electronic Devices questions and answers section on "Bipolar Junction Transistors" to enhance your skills so that you can clear interviews, competitive examinations, and various entrance tests (CAT, GATE, GRE, MAT, bank exams, railway exams, etc. discrete transistor for an individual circuit within a larger system, for which I/Cs are not readily available. 24 has α = 0. May 26, 2024 · TRANSISTOR TUNED AMPLIFIERS Objective Questions and Answers pdf free download :: Author engineer Posted on May 26, 2024 May 26, 2024 Categories TRANSISTOR TUNED AMPLIFIERS Questions Leave a Reply Cancel reply This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “Small Signal Operations and Model”. • Investigate various dc biasing schemes of bipolar transistor circuits, includ-ing integrated circuit biasing. How would you design a CMOS inverter circuit using MOSFETs and what are its characteristics? A CMOS inverter circuit consists of a PMOS and NMOS transistor connected at the drain, with the gate terminals tied together forming the input, and the connected drains as output. It begins with questions about semiconductor properties and behavior, such as how semiconductors are formed, their temperature coefficients, commonly used materials, and effects of doping. Transistor biasing involves setting operating conditions so that a transistor amplifies signals in a linear and predictable manner. (EC3301) Electron Devices and Circuits: Important Questions with Answer - Unit 3:- Amplifiers PDF Download (EC3301) Electron Devices and Circuits: Important Questions with Answer - Unit 2:- Transistors and Thyristors PDF Download (EC3301) Electron Devices and Circuits: Important Questions with Answer - Unit 1:- PN Junction Devices PDF Download Free Pass Transistor Logic Circuits Multiple Choice Questions (MCQs) with Answers PDF: "Pass Transistor Logic Circuits" App Download, Digital Electronics MCQs e-Book PDF Ch. 6. Predict how this circuit will be aﬀected as a result of the following faults. (Saturation or cutoff Oct 24, 2024 · In an ideal op-amp, the current going into the op-amp is zero. 24. 4 – BJT Circuits at DC Reading Assignment: pp. The document answers questions on transistor switches and CE amplifier circuits. 2 Transistor Structure [5] The BJT (bipolar junction transistor) is constructed with three doped The parameters of the transistor in the circuit in Figure 6 areβ= 150andVA =∞. For the given circuit and input waveform determine the output waveform. The BJT is used in two broad areas- as a linear amplifier to amplify an electrical signal and as an electronic switch. The direction indicates the conventional direction of current flow (from emitter-to-base in case of P-N-P transistor and from base-to-emitter in case of N-P-N transistor). collector-base-junction. The arrowhead on the transistor symbol always points to the emitter and indicates the conventional 4. The questions cover topics such as: 1) Identifying the configuration of a MOSFET amplifier circuit and calculating its gain. of Kansas Dept. Sample Answer: A Bipolar Junction Transistor, or BJT, is a type of semiconductor device that controls current flow. It covers topics like the number of amplification stages in a radio receiver, types of coupling used (RC, transformer, direct), advantages and disadvantages of different coupling schemes, expressions for voltage and power gain, factors affecting frequency response, and concepts like bandwidth and cutoff 4 days ago · Supported by comprehensive solutions and explanations, the Electronic Devices JEE Questions And Answers PDF aids students in understanding the right strategies and methods. none of the above Answer : 2 Q21 Oct 25, 2024 · Get Biasing of Transistors Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Jan 9, 2020 · Check out the ultimate resource on Basic Electronics Questions and Answers . *** SECTION-I 1 Define Threshold Voltage (V TH). The goal of this text, as its name implies, is to allow the reader to become proficient in the analysis and design of circuits utilizing discrete semiconductor devices. Download these Free Rectifier Circuits MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. 7V V CE 1k + I C R C 1. Source in MOS transistors is doped with _____ material a) n-type b) p-type c) n & p type d) none of the mentioned 21. emitter. Solved Examples. of EECS Section 5. RB is the single base biasing resistor , hence this circuit is also called as single base resistor biasing. • BJT circuit symbols. Input and output characteristics are explained with graphs. This book is a collection of practical transistor circuits, each of which has been tested by the author in his Note: This question paper Consists of 5 Sections. If IDSS = 10 mA and VGS (off Bipolar Junction Transistors Multiple Choice Questions (MCQs) with Answers PDF: Bipolar Junction Transistors MCQs PDF Book Ch. If not, the transistor may go out of active region. Name the four classes of amplifiers and give an explanation for each. 6M 2. a) Draw the circuit diagram for a common base circuit arrangement and plot its input and The answer I gave for this question is very minimal, and is just enough to give your students a hint. 33 A single measurement indicates the emitter voltage of the transistor in the circuit of Figure (4. Therefore, option (1) is true. It also covers different transistor modes such as active, cutoff, and saturation. 4. It includes 80 questions in part A covering concepts like doping, PN junction characteristics, diode applications, transistor configurations, biasing, FET parameters, and more. You will observe Sep 2, 2023 · 9. The transistor is called a current-controlled device because its output voltage, current, or power is controlled by the input current. A test current source itis added to the output to solve for the output resistance. where I C = β I B. It also includes 10 long answer Free Bipolar Junction Transistors Multiple Choice Questions (MCQs) with Answers PDF: "Bipolar Junction Transistors" App Download, Digital Electronics MCQs e-Book PDF Ch. ﬁle 02413 Question 24 Determine what status the LED will be in (either ”on” or ”oﬀ”) for both switch positions in 3. The questions cover topics such as terminal names, operation principles, charge carriers, input/output characteristics Learn Transistors MCQ questions & answers are available for a Electrical Engineering students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Question 8 This circuit uses a ”555” integrated circuit to produce a low-frequency square-wave voltage signal (seen between the ”Out” terminal of the chip and ground), which is used to turn a pair of transistors on and oﬀ to ﬂash a large lamp. This book describes the properties of the various types of transistor and shows how they can be used in the design of electronic circuits. The self- destruction of an unstabilized transistor is known as thermal runaway. 1) to be 1. They are: Transistor supply voltages: VCC, VBB. This article lists 100+ Field-Effect Transistor MCQs for engineering students. 8. It consists of three layers: an emitter, a base Electronic Devices Multiple Choice Questions and Answers (MCQs) PDF: Free download chapter 1, a book covers solved quiz questions and answers on chapters: Bipolar junction transistors, BJT amplifiers, diode applications, FET amplifiers, field effect transistors, oscillators, programmable analog arrays, semiconductor basics, special purpose This set of Analog Circuits Multiple Choice Questions & Answers (MCQs) focuses on “BJT Configuration”. LOAD LINE: It is a straight line drawn on the characteristic curve with two end points A and B. Ask your students this question: “Suppose a student enters their circuit into a computer simulation program, and the program gives them an answer that is known to be incorrect. Figure 6: Circuit for Q. 7 V, what are V B,,I B,I E,I C,V C,β and α? Solution The emitter current I E is given by: I E = V EE −V E R E = 5−1 5×103 Tutorial Problems: Bipolar Junction Transistor (Basic BJT Amplifiers) Part A. It should be easy to determine whether the circuit is inverting or noninverting in that configuration. There are mainly three types of transistors used in electronic circuits they are a) bipolar junction transistor b) Junction field effect transistor c) Metal oxide semiconductor field effect transistor. Referring to the transfer characteristic curve in Fig. Find the transient response of current and plot the response. The DC sources supplies the power to the transistor circuit, to get the output signal power greater than the input signal power. The text is intended for use in a first or second year course on semiconductors at the Associate or Baccalaureate level. Download these Free The Transistor MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Y24-25. What are the advantages and limitations of pass transistor logic circuits? How the limitations are overcome? 88. The document discusses 30 questions and answers about bipolar junction transistors (BJTs). ) with full Additionally, identify which of these four circuits places unnecessary stress on the transistor. Download these Free Clipper Circuits MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Dec 21, 2024 · Get Types of Oscillators Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. 4 days ago · For a transistor, the base current, the emitter current, and the collector current are related as: I E = I B + I C. This is true when the imaginary part of the total admittance is zero. There are 45 questions about transistors that cover topics like the number of PN junctions in a transistor, the doping of different transistor components, current flow, and different transistor configurations. The questions cover topics like semiconductors, diodes, transistors, operational amplifiers, and other electronic components. 1 shows the transfer characteristic curve of a JFET. Explain why. There are also 16 questions about transistor biasing that cover topics like the This document provides 100 questions and answers about electronic devices and circuits. Nov 4, 2024 · Get Transistors Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. EXAM PATTERN Time:3 Hours Max. Section 10. Cut-off -the transistor is "fullyOFF" operating as a CMOS Digital Integrated Circuit Design (VLSI&ES) Roll No Time: 3 hours Max. For a BJT, for common base configuration the input characteristics are represented by a plot between which of the following parameters? Transistor Amplifier Circuits Unit 1 – Introduction to Transistor Amplifiers 3 Exercise 1 – Circuit Location and Identification EXERCISE OBJECTIVE When you have completed this exercise, you will be able to locate and identify the functional circuit blocks on the TRANSISTOR AMPLIFIER CIRCUITS circuit board. txt) or read online for free. All the Field-Effect Transistor Questions & Answers given below includes solution and link wherever possible to the relevant topic. Download these Free Bipolar Junction Transistor MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. (Refer section Fig. 20 m of the same wire? A circuit consists of a 12 volt battery and two 4 ohm resistors connected in series. 110 mA 4. 0 V. They range all the way from the scientist and engineer to the casual experimenter. The document is intended to help students Transistors Questions and Answers for Viva. Various measurements are made on an NMOS amplifier for which the drain resistor R D is 20 kΩ. . P 1 Ω = 16 watts. Download these Free Biasing of Transistors MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Transistor Interview Questions and Answers. 3V and V CC =16V %PDF-1. A bipolar junction transistor (BJT) is called bipolar because its operation involves two types of charge carriers (majority and minority carriers). HO: Steps for D. Which one of the following correctly represents the load line (collector current I C with respect to collector-emitter voltage V CE ) and Q-point of this circuit? In the circuit shown in this ﬁgure,M1 is the ampliﬁer transistor. It tests the reader's understanding of key concepts like how the collector current and collector-emitter voltage are determined in a collector-base biased transistor circuit. 1 Bipolar Junction Transistors What you’ll learn in Module 3 Section 3. Two basic types of transistors are the bipolar junction transistor (BJT) and the field-effect transistor (FET). (i) Distinguish between the different types of transistor configurations with necessary circuit diagrams. Scribd is the world's largest social reading and publishing site. It is used to fixed the operating point of a transistor. 20. Understand the physical operation of bipolar transistors; determine the operating point of a bipolar transistor circuit. 1) important questions and answers, University question paper pdf download Challenge question: there is a name used to describe the dual-transistor configuration used in this circuit, where a pair of PNP or NPN transistors is cascaded, with the emitter of one going to the base of the other. ) with full This document contains 20 multiple choice questions and answers about logic gates and digital circuits. Consider the following circuit in which the current gain βdc of the transistor is 100. SECTION-I 1. It covers topics like logic gate types and their truth tables, integrated circuit pin counts, Boolean algebra operations, and characteristics of TTL and CMOS logic families. (i) Explain the working of NPN and PNP transistor. a) In a series RL circuit with R = 3 ohm and L = 1 H, a DC voltage of V = 50 V is applied at t = 0. 3) sketch the equivalent circuit of a transistor ampliﬁer for which a resistance R e is connected between the emitter and ground, the collector is grounded and an input signal source v b is connected between the base and ground. Why should I learn to solve Electronics questions and answers section on "Transistors and Applications"? Learn and practise solving Electronics questions and answers section on "Transistors and Applications" to enhance your skills so that you can clear interviews, competitive examinations, and various entrance tests (CAT, GATE, GRE, MAT, bank exams, railway exams, etc. pass transistor circuit is not used as a control signal for the next stage? 87. Prepare for your next interview with our comprehensive guide on Bipolar Junction Transistor (BJT) related questions and answers. 9 mA and 3. It then covers pn junctions, including biasing, depletion regions, and diode characteristics. Home Work Solutions 4. We have compiled the best BJT and FET Transistor Interview question and answer, trivia quiz, mcq questions Transistor is a three terminal unipolar semiconductor device that has very similar characteristics to those of their Bipolar Transistor counterparts. It tests knowledge of basic FET terminology, characteristics, parameters, configurations and applications. What is bipolar junction transistor? The parallel circuit is said to be in resonance, when the power factor is unity. Barden invented the transistor. 1 mA 3. (JUNE ,’12) 7. Oct 25, 2024 · Get Amplifiers Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Arrowhead is always marked on the emitter. THEORY Read the full article HERE (the Transistor Amplifier eBook) The first thing you will want to know is: HOW DOES A TRANSISTOR WORK? Electronic Circuit Design Multiple Choice Questions and Answers (MCQs) PDF: Free download chapter 1, a bookcovers solved quiz questions and answers on chapters: Amplifier frequency response, bipolar junction transistors, BJT amplifiers, diode applications, field effect transistors, FET amplifiers, introduction to electronics, power amplifiers Question 8 Bipolar junction transistors are classiﬁed as minority carrier devices. Using the BJT equivalent circuit model of Figure (4. It begins with introductory questions about semiconductors, transistors, diodes, and other basic electronic components. List the three different transistor circuit configurations and explain their operation. Important Short Questions and Answers: Transistors AMPLIFIERS CE, CB and CC Amplifiers Circuits EC8353 Electronic Devices and Circuits - Question Bank - Download Pdf This document contains 20 multiple choice questions about sequential circuits. 2. It covers topics like: 1. Finding operating conditions, Determining the Q-point values, Finding emitter bypass capacitor value, finding the output voltage of CE amplifier, finding (i) current gain (ii) input impedance (iii) a. The r0 of M2. 12/3/2004 section 5_4 BJT Circuits at DC 1/1 Jim Stiles The Univ. Understand the large-signal model of the bipolar transistor, and apply it to simple ampliﬁer circuits. An npn transistor circuit as shown in Fig. BJTs are called bipolar because they use two types of charge carriers (majority and minority) for operation. Transistors are called current-controlled devices because their output is controlled by input current. 985 , V BE = 0. Discuss the dependency of V TH on various parameters. 72 V respectively when the current gain β for the transistor is 100. Determine the power factor of a RLC series circuit with R=5ohm, XL=8ohm and XC=12ohm. 3. We also have an eBook: THE TRANSISTOR AMPLIFIER with over 100 different transistor circuits. 1 Solution. Jan 9, 2020 · Applying Kirchhoff ‘s voltage law to the collector side of the circuit, we get, Q24. The questions cover topics such as identifying common gate, drain, and source MOSFET amplifier configurations; calculating values like transconductance and resistance from circuit diagrams; drawing equivalent models for BJT amplifiers; characteristics of emitter, base, and collector regions in a BJT; and definitions of To operate the transistor in the desired region. Under the assumption that |V BE| = 0. Here are 20 commonly asked Transistor interview questions and answers to prepare you for your interview: 1. It contain Transistors MCQs (Multiple Choice Questions Answers). What is this name, and what advantage does this configuration provide over a single transistor? This set of Electronic Devices and Circuits Multiple Choice Questions & Answers (MCQs) focuses on “MOSFET in Amplfier Design”. Follow-up question #1: what conditions affect the β ratio of a transistor? Follow-up question #2: re-write the β equation to solve for the other variables (I C The document contains 6 electronics problems involving transistor circuits. Write the equation for drain current. Wth hundreds of chapter-wise questions & answers on Basic Electronics, this is the most comprehensive question bank on the entire internet. Why is it necessary to insert a buffer after not more than four pass transistors in cascade? 89. e. What is the significance of arrowhead in the transistor symbol? Ans. Question 13 (1984 Question 59) What current will flow if this wire is replaced by 1. B. pdf), Text File (. All Transistors Questions & Answers given below include a hint and wherever possible link to the relevant topic. Download these Free Types of BJT MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. 4 %âãÏÓ 2 0 obj >stream hÞœY[sÛ¶ ž9 ü x”; Œ 3 žiì$ãÎ8Ik ä¡í LÁ ŠtH* ÿû³¸P„lK‚šŒu¡ÀÅ~{ùv UNITWISE QUESTION BANK SUBJECT:ANALOG & DIDGITAL ELECTRONICS II-EEE II SEM A. Three different types of voltages are involved in the description of transistors and transistor circuits. Follow-up question: Compare the direction of current through all components in this circuit with the polarities of their respective voltage drops. Common logic gates like AND, OR, NOR and NOT are discussed along with digital components like shift counters and Stabilization is the process of making operating point independent of temperature variations or changes in transistor parameters using dc biasing circuits. 985 and V BE = 0. Shockley, W. • As an application, incorporate the bipolar transistor in a circuit design that writing, very few knew how the transistor worked and some were openly skeptical of its future. All the MCQs (Multiple Choice Question Answers) requires in depth reading of Electronic Devices and Circuits Subject as the hardness level of MCQs have been kept to advance level. For the circuit with feedback removed, we can write This document provides 50 questions and answers related to JFETs (junction field-effect transistors) and MOSFETs (metal-oxide-semiconductor field-effect transistors). 1. Solution : Given, α = 0. Frequently asked questions and answers of BJT and FET Transistor in Electronics Devices and Circuits of Electronics Engineering to enhance your skills, knowledge on the selected topic. The arrowhead in transistor symbols indicates the But in this circuit only one power supply has been used to supply power to both collector as well as base. 1, we have, Q2. These Sets of Questions are very helpful in Preparing for various Competitive Exams and University BJT and FET Transistor Questions and Answers for Viva. Saturation -the transistor is "fully ON" operating as a switch and . Select the operating point of a bipolar transistor circuit; understand the principle of Answer : 4 Q20. This document contains 10 multiple choice questions about collector-base biasing of transistors. Also, ask if there are any disadvantages to inserting peaking coils into Answer: a Explanation: Electrical charge or current flows from source to drain depending on the charge applied to the gate region. Common base and common collector configurations are briefly described. The questions cover topics like the properties of intrinsic semiconductors, work functions, common semiconductor materials, characteristics of different types of diodes, transistor current Mar 29, 2019 · The direction indicated the conventional direction of current flow( from emitter-to-base in case of p-n-p transistor and from base-to-emitter in case of n-p-n transistor). The document contains 14 problems involving analysis of BJT amplifier circuits using various biasing configurations such as fixed bias, emitter bias, and voltage divider bias. Ic = I(saturation) • • 3. 1 Bipolar Junction Transistors (BJTs). (b) Circuit with feedback removed. A transistor with ß = 120 is biased to operate at a dc collector current of 1. Determine the small signal voltage gainAv=vo/vi. 100. Jan 9, 2020 · In a transistor circuit, collector load is 4 kΩ whereas quiescent current (zero signal collector current) is 1 mA. B E C VCC VBB RB Bipolar Junction Transistors Emitter p n Collector Base pnp transistor Emitter n p Base npn transistor * Bipolar: both electrons and holes contribute to conduction * Junction: device includes two p-n junctions (as opposed to a \point-contact" transistor, the rst transistor) * Transistor: \transfer resistor" This document contains a question bank for the Electronics Devices and Circuits course covering PN Diode and its applications, BJT and its applications, and FET and its applications. The transistor in the circuit is replaced by another one with β = 200. Draw the circuit, and use it to answer the following questions. Question 17 How many Coulomb pass through each resistor in a second? The Bipolar Junction Transistors Quiz Questions PDF e-Book: Chapter 3 interview questions and answers on Basic transistor operation, collector characteristic curves, current and voltage analysis, DC load line, derating PD maximum, maximum transistor rating, transistor as amplifier, transistor characteristics and parameters, transistor regions Answer: c Explanation: BJT stands for Bipolar Junction Transistor. Why is it called Bipolar? 4M b) Explain with the help of diagrams various types of circuit configurations, which can be obtained from a bipolar junction transistor. Key aspects covered include the purpose of biasing, different biasing circuits like base resistor and voltage divider bias, factors that affect the operating point like temperature, and Nov 29, 2021 · This article lists 100 Transistors MCQs for engineering students. The questions cover topics like why low power has become important, how reliability relates to power dissipation, how the environment is affected by power usage, and issues with leakage power and energy vs power for portable systems. Who invented the transistor? In 1947, W. Transistor's most common application is to perform amplification as the time-varying signals applied at the input terminals get amplified based on the external DC voltages applied. (ii) With neat diagram, describe the principle and working of Optocoupler. collector. a) Describe in detail the working of an NPN bipolar junction transistor. 51. Dec 29, 2024 · Get Types of BJT Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. E 3 Ω = 12 volts. What do you infer? R 2k R 2 +6V (V CC) 1 0. The input is on the gate, and the output is on the drain. (i) What is the operating point if V CC = 10 V ? (ii) What will be the operating point if R C = 5 kΩ ? It covers topics like the basic structure of a transistor including the number of PN junctions, doping of different transistor components like the base, emitter and collector, current flow in NPN vs PNP transistors, transistor biasing configurations like common emitter, common base and common collector, and characteristics of transistors like Bipolar Junction Transistors. If V CC =16V, calculate R1 and R C to place Q point at I C = 2mA,V CE = 6 volts. 3k 4k - This document contains a 50 question multiple choice quiz on important concepts in electronic devices and circuits. What Is a Bipolar Junction Transistor (BJT)? Tips to Answer: Focus on the structure and function of a BJT. 2. load (iv) voltage gain (v) power gain, ac emitter resistance 3 days ago · Get Rectifier Circuits Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. org Module 3 Fig. In a transistor if β = 100 and collector current is 10 mA, then I E is ………… 1. [7M] Electronic Devices and Circuits Questions and Answers – The Junction Transistor ; Mechatronics Questions and Answers – Solid State Electronic Devices – DIAC ; Mechatronics Questions and Answers – Solid State Electronic Devices – TRIAC ; VLSI Questions and Answers – Characteristics of npn Bipolar Transistors ; Microelectronics Important Questions on MOSFET-1) What is MOSFET? Ans: MOSFET stands for Metal oxide Semiconductor field effect transistor. Dec 18, 2023 · 4. Brattain, and J. Find the value of drain current. Today, many people need transistor circuit information. Problem 4 analyzes a circuit's behavior under different 1. The power MOS field effect transistor (MOSFET) evolved from the MOS integrated circuit technology. Problem 1 determines the necessary base current and minimum input voltage for saturation. c. 3(b). pdf - Free download as PDF File (. Transistors MCQ question is the important chapter for a Electrical Engineering and GATE students. We have compiled the best Transistors Interview question and answer, trivia quiz, mcq questions, viva question, quizzes to prepare. Aug 30, 2023 · Top 25 BJT (Bipolar Junction Transistor) Interview Questions and Answers. P 3 Ω = 48 watts. Ic = β. 421-436 To analyze a BJT circuit, we follow the same boring procedure as always: ASSUME, ENFORCE, ANALYZE and CHECK. Problem 3 calculates the maximum supply voltage without exceeding transistor ratings. There is one circuit among these four where the transistor is operated in a state that might lead to premature failure. Download these Free Types of Oscillators MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. Answer FIVE Questions, Choosing ONE Question from each SECTION and each Question carries 14 marks. What is a transistor? Oct 27, 2024 · Get Clipper Circuits Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. Q7. Key differences between BJTs and FETs are outlined. s. It also covers why thermal runaway is avoided, how feedback affects the collector current, and identifying the operating This document contains 35 multiple choice questions about semiconductor theory and diodes. Why is necessary to stabilize the operating point of transistor? (AUC Nov 2005) In order to keep the transistor operation in Active region, it is necessary to stabilize the transistor. Important NPN Transistor Questions with Answers . The second section Q1. Assume the transistor in the circuit in Figure 7 has parametersβ= 120. 3-1 to study online certification courses. ) with full confidence. Ib • • 2. This document contains practice questions related to BJT transistors. What are the three types of power used in AC circuits? Equivalent Circuit Models We have seen that BJTs have an exponential current-voltage relationship Small inputs, 𝑣𝐸, can produce large outputs, 𝑖 ¼ BJTs are useful as amplifiers Our goal is the analysis and design of transistor amplifier circuits To do so, we first need equivalent circuit models for the transistors This document contains 63 multiple choice questions and answers about transistors. Complete solutions are provided for each problem showing the analysis and calculations. Show Answer Notes: Ask your students to remove transistor Q1 (and its collector resistor) from the circuit and try answering the question then. For each question, the document provides the question text and four possible answers, with the correct answer indicated. Explain how the transistor can be used to amplify a signal. 3V. 3. C. - 1 ) in the circuit have magnitudes of 0. To explain the properties of transistors it is useful to begin with an account of the physics of 1 Feb 17, 2015 · A good circuit with bipolar transistors works with the minimum guaranteed gain over the intended operating region, but otherwise works fine with the gain being anywhere from there to infinite. C. This document contains multiple choice questions and answers about transistors and transistor biasing. In the case of compensation technique, in order to stabilize the Q point, we use temperature sensitive devices like diodes, thermistors, transistors instead of DC biasing circuits. 47 Draw the fixed bias single stage transistor circuit. Aug 12, 2022 · This article discusses some common transistor interview questions and how to answer them. 4) Identifying Oct 24, 2024 · 2. electronics). Ask your students to explain why capacitive reactance is an issue in high-frequency transistor amplifier circuits, and why an inductor would be used to counter X C. The Why should I learn to solve Electronics questions and answers section on "Bipolar Junction Transistors (BJT)"? Learn and practise solving Electronics questions and answers section on "Bipolar Junction Transistors (BJT)" to enhance your skills so that you can clear interviews, competitive examinations, and various entrance tests (CAT, GATE, GRE, MAT, bank exams, railway exams, etc. This document provides 50 questions and answers about multistage transistor amplifiers. β = Current gain of the transistor. E 2 Ω = 8 volts. 4 5 days ago · Get The Transistor Multiple Choice Questions (MCQ Quiz) with answers and detailed solutions. The problems involve calculating operating point values such as currents, voltages, and resistor values. Analysis of BJT Circuits HO: Hints for BJT Circuit Analysis 1. The questions cover topics like junction types, biasing, gain calculations, and Read more: NPN Transistor. Download these Free Amplifiers MCQ Quiz Pdf and prepare for your upcoming exams Like Banking, SSC, Railway, UPSC, State PSC. 1 Problem 4. Electrical Engineering Power Semiconductor Device, Diodes, Transistors and Integrated Circuits (ICs) MCQ, Quiz, Multiple Choice, Objective Type, GATE Question Bank, Previous Year Questions with Answers Pdf Free Download for various Interviews, Competitive Exams and Entrance Test. The Pass Transistor Logic Circuits MCQs with Answers PDF: Pass transistor is driven by a periodic clock signal and acts as an access switch to either charge up or charge down the; for in Fig. This document contains 9 practice questions related to BJTs and MOSFETs. 1. • Consider the dc biasing of multistage or multi-transistor circuits. As the given op-amp is in negative feedback, according to the virtual ground concept the voltage at the inverting terminal is equal to the voltage at the non-inverting terminal. A JFET has a drain current of 5 mA. xhsq oacngm kdiwsrx sjghgfm dkqd calrl adv wkdcu kkrcv bki

Transistor circuit questions and answers pdf. Explain how the transistor can be used to amplify a signal.