+1 vote
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in Power Electronics by (27.1k points)
In the below given circuit, when switch (SW) is off

(a) voltage is non-zero and current is rising

(b) voltage is non-zero and current is decaying

(c) voltage is zero and current is rising

(d) voltage is zero and current is decaying

This question was addressed to me in a dream while sleeping

My doubt is from Choppers-2 topic in division Choppers of Power Electronics

1 Answer

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by (45.1k points)
Correct option is (d) voltage is zero and current is decaying

The best I can explain: When the switch is off, the current freewheels through L-R-FD-L and voltage is zero because the FD short circuits the load.

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