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If Vo is the output voltage and Vs is the input DC voltage, then for the below given circuit.

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+1 vote
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in Power Electronics by (27.1k points)
If Vo is the output voltage and Vs is the input DC voltage, then for the below given circuit.

(a) Vo = Vs

(b) Vo < Vs

(c) Vo > Vs

(d) Insufficient information

The question was posed to me in a national level competition.

The origin of the question is Choppers-2 in section Choppers of Power Electronics

1 Answer

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by (45.1k points)
The correct option is (c) Vo > Vs

To explain I would say: The given circuit is that of a step-up chopper. For a step up chopper the output voltage is always (even if duty cycle is very very small) greater than the input voltage.

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