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

This section includes 4 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.

For a self bias amplifier, RS=RD, the output will be_________________

A. Same as Input
B. Same as input but phase reversed
C. 0
D. Infinite
Answer» C. 0
2.

A sinusoidal signal has 1.5V at t=2S, If this signal is given to Common source amplifier with |Av|=5V, what will be its output at t=2S?

A. 7.5V
B. -7.5V
C. 0
D. 15V
Answer» C. 0
3.

What is the reason for connecting a capacitor in parallel with Rs?

A. It blocks the noise
B. For ac signal it acts a short circuit resulting in grounding source terminal
C. It blocks the noise & for ac signal it acts a short circuit resulting in grounding source terminal
D. To increase impedance
Answer» D. To increase impedance
4.

A Self bias configuration contains RD=3.3, Rs=1 KΩ, RG=1MΩ and gm=1.5mS. Determine Av?

A. -2
B. 3
C. -4
D. 5
Answer» B. 3