A bulb is rated 10v. 100m ampere. Calculate its power&resistance.
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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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