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Electric Power

A bulb of res...

Question

A bulb of resistance 1 ohm is connected across a battery of 10 V. Find the power consumed.

A

10 W

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B

100 W

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C

0.1 W

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D

0.01 W

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Solution

The correct option is B
100 W

P = $\frac{V^{2}}{R}$ = $\frac{10^{2}}{1}$ = 100W

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