# An Electric Bulb Of Resistance 200Ω Draws A Current Of 1 Ampere. Calculate The Power Of The Bulb The Potential Difference At Its Ends And The Energy In Kwh Consumed Burning It For 5H

Power of the bulb,

$P = I^{2}R \\ \Rightarrow (1)^{2} * 200\\\Rightarrow 200$

P = 200 W

Energy consumed by the bulb in 5h in burning = Power * Time

$\Rightarrow 200 * 5\\ \Rightarrow 1000$ Wh or 1k Wh

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