Explore topic-wise MCQs in Power Electronics.

This section includes 5 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_peak_value_of_the_line_voltage_in_case_of_120°_mode_of_operation_of_a_three-phase_bridge_inverter_is$#

A. Vs/2
B. 3Vs/2
C. Vs/‚àö2
D. Vs
Answer» E.
Discussion
2.

If T1 is gated at 0 °, T3 and T5 will start conducting at _______ and _________ respectively.$

A. 180°, 270°
B. 120°, 240°
C. 180°, 300°
D. 240°, 360°
Answer» C. 180¬¨¬®‚Äö√†√ª, 300¬¨¬®‚Äö√†√ª
Discussion
3.

Safe commutation can be achieved in case of the ____________ operating mode.

A. 180°
B. 120°
C. 360°
D. none of the mentioned
Answer» C. 360¬¨¬®‚Äö√†√ª
Discussion
4.

In case of the 120° mode of operation, __________ devices conduct at a time.$

A. 2
B. 3
C. 4
D. none of the mentioned
Answer» B. 3
Discussion
5.

The 120° mode of operation of a three phase bridge inverter requires ___________ number of steps.

A. 2
B. 4
C. 6
D. 8
Answer» D. 8
Discussion