Explore topic-wise MCQs in Power Electronics.

This section includes 6 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.

Find_the_average_value_of_output_current_for_a_1-phase_HW_diode_rectifier_with_R_load,_having_RMS_output_current_=_100A.$

A. 200R A
B. 100/R‚àö2 A
C. 200/R‚àö2 A
D. 200/Rπ A
Answer» E.
Discussion
2.

In a 1-Phase HW diode rectifier with R load, the average value of load current is given b?

A. = Vm sinωt
B. Vm/R
C. Vm/2R
D. Vm/πR
Answer» D. Vm/‚âà√¨‚àö√ëR
Discussion
3.

For a single phase half wave rectifier, with R load, the diode is reversed biased from ωt =$

A. 0 to π, 2π to 2π/3
B. π to 2π, 2π/3 to 3π
C. π to 2π, 2π to 2π/3
D. 0 to π, π to 2π
Answer» C. ‚âà√¨‚àö√ë to 2‚âà√¨‚àö√ë, 2‚âà√¨‚àö√ë to 2‚âà√¨‚àö√ë/3
Discussion
4.

For a certain diode based rectifier, the output voltage (average value) is given by the equation

A. ] Where the integral runs from 0 to π
B.
C. single phase full wave with R load
Answer» D.
Discussion
5.

In a half-wave rectifier, the

A. current & voltage both are bi-directional
B. current & voltage both are uni-directional
C. current is always uni-directional but the voltage can be bi-directional or uni-directional
D. current can be bi-directional or uni-directional but the voltage is always uni-directional
Answer» D. current can be bi-directional or uni-directional but the voltage is always uni-directional
Discussion
6.

In the process of diode based rectification, the alternating input voltage is converted into

A. an uncontrolled alternating output voltage
B. an uncontrolled direct output voltage
C. a controlled alternating output voltage
D. a controlled direct output voltage
Answer» C. a controlled alternating output voltage
Discussion