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An electric bulb is rated 220V and 100W. When it is operated on 110V, the power consumed will be:

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An electric bulb is rated 220V and 100W. When it is operated on 110V, the power consumed will be:

(a)100W (b) 75W (c) 50W (d) 25W

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1 Answer

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Best answer

We have, P=V2/R

Hence, the correct answer is (d).

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