The bulb has a rating of 500W for 220V, if the voltage is 110V, What is the power of the Bulb?

mohit parashar

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• Jul 28th, 2010

Given:p=500WV=220VP=VII=2.27Athan by ohm's lawV=IRso R=96.91Ohm which is constant.if V=110Vthan I become 1.135AsoP=VIP=125W.

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