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A bulb is marked 220 V and 40 W. Calculate the current flowing through the bulb and its resistance. |
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Answer» <P> Solution :GIVEN : Voltage = V = 220 V, Power = P = 40 W.`P=VIrArrI=P/V=40/220=0.182A` RESISTANCE = `R=V/I=220/0.182=1210Omega` |
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