Explore topic-wise MCQs in Electronic Devices.

This section includes 9 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices knowledge and support exam preparation. Choose a topic below to get started.

1.

Which transistor bias circuit arrangement has poor stability because its Q-point varies widely with ?

A. base bias
B. collector-feedback bias
C. voltage-divider bias
D. emitter bias
Answer» B. collector-feedback bias
Discussion
2.

Refer to this figure. Determine I.

A. 5
B. A
C. 5 mA
D. 0 mA
E. 10 mA
Answer» C. 5 mA
Discussion
3.

Refer to this figure. The value of is

A. 5.3.
B. 53.
C. 94.
D. 100.
Answer» E.
Discussion
4.

Refer to this figure. Assume that I I. Find V.

A. 5 V
B. 10 V
C. 15 V
D. 2.5 V
Answer» E.
Discussion
5.

Refer to this figure. Assume I I. Determine the value of R that will allow V to equal 10 V.

A. 1 k
B. 1.5 k
C. 2 k
D. 2.5 k
Answer» C. 2 k
Discussion
6.

Refer to this figure. In the voltage-divider biased npn transistor circuit, if R opens, the transistor is

A. saturated.
B. cutoff.
C. nonconducting.
Answer» B. cutoff.
Discussion
7.

The input resistance at the base of a transistor is R IR.

A. True
B. False
Answer» C.
Discussion
8.

The formula = I/I is correct.

A. True
B. False
Answer» C.
Discussion
9.

The base bias circuit arrangement provides poor stability because its Q-point varies widely with .

A. True
B. False
Answer» B. False
Discussion