Q. In a flyback converter, the inductor of the buck-boost converter has been replaced by a
✅ Correct Answer: (C)
Flyback transformer
Power Electronics MCQs | Page - 1
Dear candidates you will find MCQ questions of Power Electronics here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.
Q. For bidirectional operation of converters
✅ Correct Answer: (A)
A parallel combination of controllable switch and a diode is used
Q. For a buck converter to reduce the conduction losses in diode
✅ Correct Answer: (B)
A low on - resistance switch can be added in parallel
Q. A step - down choppers can be used in
✅ Correct Answer: (D)
All of these
Q. The output current in PWM DC - DC converters is equal to
✅ Correct Answer: (C)
Either (a) or (b)
Q. Advantages of Cuk converter is / are
✅ Correct Answer: (D)
None of these
Q. In a push - pull converter, the filter capacitor can be obtained as
✅ Correct Answer: (C)
Cmin= ( 1 – 2 D ) V / 32 ( Vr L f2 )
Q. The control method used for PWM dc - dc converter is
✅ Correct Answer: (D)
All of these
Q. In current commutated DC-DC choppers, the voltage spike appears across the load when
✅ Correct Answer: (C)
Both (a) and (b)
Q. In a load commutated DC - DC chopper, the capacitor has a
✅ Correct Answer: (C)
Symmetric trapezoidal voltage across itself
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