Explore topic-wise MCQs in Power Electronics.

This section includes 4 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.

FOR_A_SINGLE_PHASE_HALF_WAVE_RECTIFIER,_THE_RECTIFIER_EFFICIENCY_IS_ALWAYS_CONSTANT_&_IT_IS?$

A. 4/π<sup>2</sup>
B. 8/π<sup>2</sup>
C. 100
D. 2/π<sup>2</sup>
Answer» B. 8/‚âà√¨‚àö√ë<sup>2</sup>
Discussion
2.

A 1-phase half wave diode rectifier with R = 1 KΩ, has input voltage of 240 V. The diode peak current is$

A. Zero
B. 240mA
C. 24mA
D. 0.24mA
Answer» C. 24mA
Discussion
3.

A 1-phase half wave diode rectifier with R load, has input voltage of 240 V. The input power factor is

A. Unity
B. 0.707 lag
C. 0.56 lag
D. 0.865 lag
Answer» D. 0.865 lag
Discussion
4.

A 1-phase 230V, 1KW heater is connected across a 1-phase HW rectifier (diode based). The power delivered to the heater is

A. 300 W
B. 400 W
C. 500 W
D. 600 W
Answer» D. 600 W
Discussion