Explore topic-wise MCQs in Power Electronics.

This section includes 3 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.

The major function of the pulse transformer is to

A. increase the voltage amplitude
B. reduce harmonics
C. isolate low & high power circuit
D. create periodic pulses
Answer» D. create periodic pulses
2.

The duty cycle can be written as

A. f x T
B. f/T
C. T/f
D. f
Answer» B. f/T
3.

Find the triggering frequency when the average gate power dissipation = 0.3 W and the peak gate drive power is 5 Watts. The gate source has a pulse width of 20 sec duration.

A. 3 kHz
B. 0.3 kHz
C. 30 kHz
D. 0.03 mHz
Answer» B. 0.3 kHz