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A bulb is rated 10v. 100m ampere. Calculate its power&resistance. |
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Answer» potential difference=10volt we know that, 1 ampere=1000mA so,100mA=100/1000mA=0.1A R=V/I =10/0.1 =100 ohms. power=I^2*R =(0.1)^2*100 =1/100*100 =1 WATT.
HOPE THIS HELPS!!! |
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