Explore topic-wise MCQs in Electronic Devices Circuits.

This section includes 10 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.

We use hybrid-pi CE transistor model to obtain approximate values.

A. True
B. False
Answer» B. False
Discussion
2.

What is the value of overall voltage gain in the hybrid-pi CE transistor model while considering RS ?

A. VB / VS
B. VC / VS
C. VB × VS
D. VC × VS
Answer» B. VC / VS
Discussion
3.

What is the value of overall current gain in the hybrid-pi CE transistor model while considering RS ?

A. AI × IB / IS
B. AI × IC / IS
C. AI × IS / IC
D. AI × IS / IB
Answer» B. AI × IC / IS
Discussion
4.

What is the value power gain in the hybrid-pi CE transistor model?

A. AV – AI
B. AV + AI
C. AV × AI
D. AV / AI
Answer» D. AV / AI
Discussion
5.

What is the value of output resistance in the hybrid-pi CE transistor model?

A. ∞
B. 0
C. hic
D. hie
Answer» B. 0
Discussion
6.

What is the magnitude of voltage generated at emitter circuit of a hybrid-pi CE transistor model?

A. hre × hfe / Ib × RL
B. hre × hfe × Ib × RL
C. hre × hfe / IC × RL
D. hre × hfe × IC × RL
Answer» C. hre × hfe / IC × RL
Discussion
7.

What is the value of voltage gain in the hybrid-pi CE transistor model?

A. hfe × RL / hre
B. –hfe × RL / hre
C. hfe × RL / hie
D. –hfe × RL / hie
Answer» E.
Discussion
8.

What is the value of current gain in the hybrid-pi CE transistor model?

A. hfe
B. -hfe
C. hre
D. –hre
Answer» C. hre
Discussion
9.

How do we calculate the value of IC in the hybrid-pi CE transistor model?

A. IC = hre × IB
B. IC = -hre × IB
C. IC = hfe × IB
D. IC = -hfe × IB
Answer» D. IC = -hfe × IB
Discussion
10.

What is the value of input resistance in the hybrid-pi CE transistor model?

A. hoe
B. hib
C. hic
D. hie
Answer» E.
Discussion