hey...guys plzz explain it..
if an electric bulb connected to 220v line draws an electric current of 0.5 A then what will be the resistance of filament of the bulb?
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hey...guys plzz explain it..
if an electric bulb connected to 220v line draws an electric current of 0.5 A then what will be the resistance of filament of the bulb?
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according to ohm's law
V = I R
R = V/I
R= 220/0.5
R= 2200/5
R= 440 OHM
THANKS
I (current) =0.5A
p (power)=VI
220*0.5=110w answer
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