Explore topic-wise MCQs in Electronic Devices and Circuits.

This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.

1.

When is the transistor said to be saturated?

A. when V<sub>CE</sub> is very low
B. when V<sub>CE</sub> is very high
C. when V<sub>BE</sub> is very low
D. when V<sub>BE</sub> is very high
Answer» B. when V<sub>CE</sub> is very high
Discussion
2.

The point on the DC load line which is represented by Q is called _________

A. cut off point
B. cut in point
C. breakdown point
D. operating point
Answer» E.
Discussion
3.

A change in 300mV in base emitter voltage causes a change of 100 A in the base current. Determine the dynamic input resistance.

A. 20k
B. 10k
C. 30k
D. 60k
Answer» D. 60k
Discussion
4.

The relation between and is given by _________

A. 1/(1- )=1-
B. 1/(1+ )=1+
C. 1/(1- )=1+
D. 1/(1+ )=1-
Answer» D. 1/(1+ )=1-
Discussion
5.

The current amplification factor dc is given by_________

A. I<sub>E</sub>/I<sub>B</sub>
B. I<sub>B</sub>/I<sub>E</sub>
C. I<sub>C</sub>/I<sub>E</sub>
D. I<sub>E</sub>/I<sub>C</sub>
Answer» B. I<sub>B</sub>/I<sub>E</sub>
Discussion