Explore topic-wise MCQs in Power Electronics.

This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Power Electronics knowledge and support exam preparation. Choose a topic below to get started.

1.

A type C chopper is operated with only negative load current. Choose the correct statement.

A. CH1 would remain idle
B. FD would remain idle
C. CH2 would remain idle
D. Both FD and CH1 would remain idle
Answer» E.
2.

A type C chopper is operated with only positive load current. Choose the correct statement.

A. CH1 would remain idle
B. D2 would remain idle
C. CH2 would remain idle
D. Both D2 and CH2 would remain idle
Answer» E.
3.

In a type C chopper, if only one switch is operated

A. only one quadrant operation will be obtained
B. two quadrant operation can be obtained
C. the chopper won’t work
D. none of the mentioned
Answer» B. two quadrant operation can be obtained
4.

In the below given type C chopper circuit, ________ and ___________ together operate like type B chopper.

A. CH1, FD
B. CH2, FD
C. CH1, D2
D. CH2, D2
Answer» E.
5.

In the below given type C chopper circuit, _______ and _________ together operate like type A chopper.

A. CH1, FD
B. CH2, FD
C. CH1, D2
D. CH2, D2
Answer» B. CH2, FD
6.

In the below given circuit

A. current can never be zero
B. current can flow in both the directions of the load
C. voltage can never be zero
D. none of the mentioned
Answer» C. voltage can never be zero
7.

In the below given circuit output voltage will be 0 when

A. SW1 is on
B. FD is not conducting
C. D2 is conducting
D. SW2 is on
Answer» E.
8.

Name the below given circuit.

A. Type D chopper
B. Type B chopper
C. Two-quadrant type A chopper
D. Two-quadrant type B chopper
Answer» D. Two-quadrant type B chopper
9.

In a type C chopper, if only one switch is operate?

A. only one quadrant operation will be obtained
B. two quadrant operation can be obtained
C. the chopper won’t work
D. none of the mentioned
Answer» B. two quadrant operation can be obtained
10.

Type C chopper consists of

A. two diodes and two switches
B. one diode and one switch
C. one diode and three switches
D. three diodes and two switches
Answer» B. one diode and one switch
11.

Which type of chopper is used in the regenerative braking of DC motors?

A. type A
B. type B
C. type C
D. type D
Answer» D. type D