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an electric bulb of resistance 200 ohm draws a current of 1 ampere . calculate the power of the potentoal diff at its ends and the energy in kwh consumed it for 5hour |
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Answer» We know that power,P = I^2 *RSo P = 1*1*200 = 200 Watts Energy = P*tSo, E = 200*5 = 1000 Watt hour = 1 kWh Hope it helps.Mark as best if I am correct. |
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