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Test: Basic BJT Circuits - Electrical Engineering (EE) MCQ


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20 Questions MCQ Test GATE Electrical Engineering (EE) Mock Test Series 2025 - Test: Basic BJT Circuits

Test: Basic BJT Circuits for Electrical Engineering (EE) 2024 is part of GATE Electrical Engineering (EE) Mock Test Series 2025 preparation. The Test: Basic BJT Circuits questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Basic BJT Circuits MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Basic BJT Circuits below.
Solutions of Test: Basic BJT Circuits questions in English are available as part of our GATE Electrical Engineering (EE) Mock Test Series 2025 for Electrical Engineering (EE) & Test: Basic BJT Circuits solutions in Hindi for GATE Electrical Engineering (EE) Mock Test Series 2025 course. Download more important topics, notes, lectures and mock test series for Electrical Engineering (EE) Exam by signing up for free. Attempt Test: Basic BJT Circuits | 20 questions in 60 minutes | Mock test for Electrical Engineering (EE) preparation | Free important questions MCQ to study GATE Electrical Engineering (EE) Mock Test Series 2025 for Electrical Engineering (EE) Exam | Download free PDF with solutions
Test: Basic BJT Circuits - Question 1

In a Darlington pair configuration, if emitter resistance is 560Ω and input resistance is 8.75MΩ than AC current gain will be

Test: Basic BJT Circuits - Question 2

For the transistor in circuit shown in fig. β = 200. Determine the value of VC for given value of VB in question.

If VB = 1V

Detailed Solution for Test: Basic BJT Circuits - Question 2

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Test: Basic BJT Circuits - Question 3

For the transistor in circuit shown in fig. β = 200. Determine the value of IE and IC for given value of VB in question.

If VB = 2V

Detailed Solution for Test: Basic BJT Circuits - Question 3



Transistor is in stauration. The saturation voltage
VCE = 0.2V

Test: Basic BJT Circuits - Question 4

The transistor in circuit shown in fig. has β = 200. Determine the value of voltage Vo for given value of VBB.

If VBB = 0

Detailed Solution for Test: Basic BJT Circuits - Question 4

VBB = 0, Transistor is in cutoff region

Test: Basic BJT Circuits - Question 5

The transistor in circuit shown in fig. has β = 75. Determine the value of voltage Vo for given value of VBB.

If VBB = 1V

Detailed Solution for Test: Basic BJT Circuits - Question 5

Test: Basic BJT Circuits - Question 6

The transistor in circuit shown in fig. has β = 200. Determine the value of voltage Vo for given value of VBB.

If VBB = 2V

Detailed Solution for Test: Basic BJT Circuits - Question 6

Test: Basic BJT Circuits - Question 7

The transistor shown in the circuit of fig. has β = 150. Determine Vo for given value of
IQ in question

If IQ = 0.1 mA

Detailed Solution for Test: Basic BJT Circuits - Question 7

 I= 0.1 mA

Test: Basic BJT Circuits - Question 8

The transistor shown in the circuit of fig. has β = 150. Determine Vo for given value of  IQ in question

If IQ = 0.5 mA

Detailed Solution for Test: Basic BJT Circuits - Question 8

IE = IQ = 0.5 mA

Test: Basic BJT Circuits - Question 9

The transistor shown in the circuit of fig. has β = 150. Determine Vo for given value of  IQ in question

If IQ = 2mA

Detailed Solution for Test: Basic BJT Circuits - Question 9

Transistor is in saturation

Test: Basic BJT Circuits - Question 10

For the circuit in fig. VB = V and  β = 50. The value of VB is

Detailed Solution for Test: Basic BJT Circuits - Question 10

Test: Basic BJT Circuits - Question 11

For the circuit shown in fig. VCB = 0.5 V and β =100. The value of IQ is

Detailed Solution for Test: Basic BJT Circuits - Question 11

 

Test: Basic BJT Circuits - Question 12

For the circuit shown in fig. the emitter voltage is VE = 2 V. The value of α is

Detailed Solution for Test: Basic BJT Circuits - Question 12

Test: Basic BJT Circuits - Question 13

For the transistor in fig. β = 50. The value of voltage VEC  is

Detailed Solution for Test: Basic BJT Circuits - Question 13

Test: Basic BJT Circuits - Question 14

The current gain of the transistor shown in the circuit of fig. is β = 125. The Q-point values (ICQ , VCEQ ) are

 

Detailed Solution for Test: Basic BJT Circuits - Question 14

Test: Basic BJT Circuits - Question 15

For the circuit shown in fig. , let β = 75. The Q-point (ICQ , VCEQ ) is

Detailed Solution for Test: Basic BJT Circuits - Question 15

Test: Basic BJT Circuits - Question 16

The current gain of the transistor shown in the circuit of fig. is β = 100. The values of Q-point (ICQ , VCEQ ) is

Detailed Solution for Test: Basic BJT Circuits - Question 16

R1 =12 Ω, R2 = 2 Ω

Test: Basic BJT Circuits - Question 17

For the circuit in fig. , let β = 60. The value of VECQ  is

Detailed Solution for Test: Basic BJT Circuits - Question 17

Test: Basic BJT Circuits - Question 18

All transistor in the N output mirror in fig. are matched with a finite gain β and early voltage VA = ∞. The expression for each load current is

Detailed Solution for Test: Basic BJT Circuits - Question 18

Test: Basic BJT Circuits - Question 19

Consider the basic three transistor current source in fig. Assume all transistor are matched with finite gain and early voltage VA  = ∞.The expression for Io is

Detailed Solution for Test: Basic BJT Circuits - Question 19

Test: Basic BJT Circuits - Question 20

Consider the wilder current source of fig. Both of transistor are identical and β>>1 and VBE1 = 0.7 V. The value of resistance R1 and RE to produce Iref  = 1 mA and Io = 12 μA is (Vt = 0.026)

Detailed Solution for Test: Basic BJT Circuits - Question 20

If β>>1 and transistor are identical

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