Explore topic-wise MCQs in Electronic Devices and Circuits Questions and Answers.

This section includes 8 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.

Find the overall voltage gain figure.

A. 323 V/V
B. 646 V/V
C. 969 V/V
D. 1292 V/V
Answer» E.
Discussion
2.

For Rl = 2 kΩ find Vo/Vb2 from the following figure.

A. -59.3 V/V
B. -29.7 V/V
C. -89.1 V/V
D. None of the mentioned
Answer» B. -29.7 V/V
Discussion
3.

Find Vb2/Vb1 from the following figure.

A. -34 V/V
B. -51 V/V
C. – 68.1 V/V
D. -100 V/V
Answer» D. -100 V/V
Discussion
4.

Find R (in 2) from the following figure.

A. 2.4 kΩ
B. 4.8 kΩ
C. 17.3 kΩ
D. 34.6 kΩ
Answer» B. 4.8 kΩ
Discussion
5.

Find Vb1/Vsig for R(sig) = 5 kΩ from the following figure.

A. 0.08 V/V
B. 0.16 V/V
C. 0.24 V/V
D. 0.32 V/V
Answer» E.
Discussion
6.

Find R (in 1) for R (sig) = 5 kΩ in the figure shown below.

A. 2.4 kΩ
B. 4.8 kΩ
C. 17.3 kΩ
D. 34.6 kΩ
Answer» B. 4.8 kΩ
Discussion
7.

For Vcc = 15V, R1 = 100 kΩ, R(E) = 3.9 kΩ, R(C) = 6.8 kΩ and ß = 100, determine the dc collector voltage for each transistor in the figure shown below.

A. 4.25 V
B. 8.5 V
C. 12.75 V
D. 17 V
Answer» C. 12.75 V
Discussion
8.

For Vcc = 15V, R1 = 100 kΩ, R(E) = 3.9 kΩ, R(C) = 6.8 kΩ and ß = 100, determine the dc collector current for each transistor in the figure shown below.

A. 0.29 mA
B. 0.48 mA
C. 0.96 mA
D. 1.92 mA
Answer» D. 1.92 mA
Discussion