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.

Ripple factor of a half wave rectifier is_________(Im is the peak current and RL is load resistance)

A. 1.414
B. 1.21
C. 1.4
D. 0.48
Answer» C. 1.4
Discussion
2.

What is the output as a function of the input voltage (for positive values) for the given figure. Assume it’s an ideal op-amp with zero forward drop (Di=0)

A. 0
B. -Vi
C. Vi
D. 2Vi
Answer» D. 2Vi
Discussion
3.

The below figure arrives to a conclusion that _________

A. for Vi > 0, V0=-(R2/R1)Vi
B. for Vi > 0, V0=0
C. Vi < 0, V0=-(R2/R1)Vi
D. Vi < 0, V0=0
Answer» C. Vi < 0, V0=-(R2/R1)Vi
Discussion
4.

The diode in a half wave rectifier has a forward resistance RF. The voltage is Vmsinωt and the load resistance is RL. The DC current is given by _________

A. Vm/√2RL
B. Vm/(RF+RL)π
C. 2Vm/√π
D. Vm/RL
Answer» C. 2Vm/√π
Discussion