Question

lamps one rated 100 watt and 220 volt and other 60 watt and 220 volt are connected in parallel of electric main suplly the current __________is drawn from the line of the supply voltage is 220 volt
a)0.727A
B)7.27
C)11/8
D)220W

Answer 1

I =P/V

 =100/220=0.4545

Similarly, current drawn by the bulb of rating 60 W is given by

I=P/V
=60/220=0.2727

the total current drawn from the line =0.4545+0.2727
=0.727A

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