two lamps one rated 100w 220v and other 60w at 220v are connected in parallel to electric mains supply what current is draen from the line if the supply voltage is 220v?
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R100= 220^2/100
R60= 220^2/60
I=220/R100
100/220A = 0.45
similarly 60/220=0.27
toatl current=0.45+0.27=0.72A
R60= 220^2/60
I=220/R100
100/220A = 0.45
similarly 60/220=0.27
toatl current=0.45+0.27=0.72A
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go through the above answer
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