Chopper Numericals MCQs

Practice Chopper Numericals MCQs with four options, answers and explanations for focused Electronics & Telecommunication Engineering revision.

Question 1

Power ElectronicsChopper Numericals

A chopper has an ON time of 4 ms and an OFF time of 6 ms. Its duty ratio is?

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Correct Answer: A. 0.4

Explanation: D=Ton/(Ton+Toff)=4/(4+6)=0.4.

Reference: Standard power electronics: chopper numericals

Question 2

Power ElectronicsChopper Numericals

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Correct Answer: B. 50 V

Explanation: Vo=DVs=0.25×200=50 V.

Reference: Standard power electronics: chopper numericals

Question 3

Power ElectronicsChopper Numericals

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Correct Answer: C. 10 kHz

Explanation: f=1/T=1/(100×10^-6)=10 kHz.

Reference: Standard power electronics: chopper numericals