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For a step-down chopper, when the duty cycle is increased the average value of the output voltage

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+1 vote
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in Power Electronics by (27.1k points)
For a step-down chopper, when the duty cycle is increased the average value of the output voltage

(a) increases

(b) decreases

(c) remains the same

(d) none of the mentioned

The question was posed to me in examination.

Enquiry is from Choppers-3 topic in division Choppers of Power Electronics

1 Answer

0 votes
by (45.1k points)
Right option is (a) increases

Explanation: ; Vo = Duty cycle x Vs. Hence, output voltage is directly proportional to the duty cycle.

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