Explore topic-wise MCQs in Electronic Devices Circuits.

This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

For R (L) = 10 kΩ and transistor Ro = 200 kΩ, determine the overall voltage gain.

A. -21 V/V
B. -42 V/V
C. -86 V/V
D. -123 V/V
Answer» D. -123 V/V
Discussion
2.

Find R(C) to establish a dc collector voltage of about +5V.

A. 5 kΩ
B. 10 kΩ
C. 15 kΩ
D. 20 kΩ
Answer» E.
Discussion
3.

Find the value of R(E) to establish a dc emitter current of about 0.5 mA.

A. 28.57 kΩ
B. 57.04 kΩ
C. 114.08 kΩ
D. 228.16 kΩ
Answer» B. 57.04 kΩ
Discussion
4.

Find Ai.

A. 182 A/A
B. 364 A/A
C. 546 A/A
D. 728 A/A
Answer» E.
Discussion
5.

Find Gv.

A. 53.4 V/V
B. 72.7 V/V
C. 83.3 V/V
D. 90.9 V/V
Answer» C. 83.3 V/V
Discussion
6.

An amplifier is measured to have an internal resistance of 10 kΩ, voltage gain of 100V/V and output resistance of 100 Ω. Also, when a load resistance of 1 kΩ is connected between the output resistance if found to decrease to 8 kΩ. If the amplifier is fed with the signal source having an internal resistance of 2 kΩ, then Find Gm.

A. 1 A/V
B. 10 A/V
C. 100 A/V
D. 1000 A/VView Answer
Answer» B. 10 A/V
Discussion
7.

FIND_R(C)_TO_ESTABLISH_A_DC_COLLECTOR_VOLTAGE_OF_ABOUT_+5V.?$

A. 5 kΩ
B. 10 kΩ
C. 15 kΩ
D. 20 kΩ
Answer» D. 20 k‚âà√≠¬¨¬©
Discussion
8.

Find the value of R(E) to establish a dc emitter current of about 0.5 mA?

A. 28.57 kΩ
B. 57.04 kΩ
C. 114.08 kΩ
D. 228.16 kΩ
Answer» E.
Discussion
9.

Find R out.

A. 146 Ω
B. 292 Ω
C. 584 Ω
D. 1168 Ω
Answer» B. 292 ‚âà√≠¬¨¬©
Discussion
10.

Find Gvo.

A. 53.3 V/V
B. 63.3 V/V
C. 73.3 V/V
D. 83.3 V/V
Answer» E.
Discussion
11.

Find Av.

A. 9.09 V/V
B. 10 V/V
C. 90.9 V/V
D. 100 V/V
Answer» D. 100 V/V
Discussion
12.

6) An amplifier is measured to have an internal resistance of 10 kΩ, voltage gain of 100V/V and output resistance of 100 Ω. Also, when a load resistance of 1 kΩ is connected between the output resistance if found to decrease to 8 kΩ. If the amplifier is fed with the signal source having an internal resistance of 2 kΩ, then

A.
B. 1 A/V
C. 10 A/V
Answer» B. 1 A/V
Discussion