At a given time a house is supplied with 50 A at 220 V. How many 100 W, 220 V light bulbs would be switched on in the house at the same time, if they all are connected in parallel ?
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Answer:
p = IV
100=I ×220
I = 5÷11
current supply is 50A
n= 50÷(5÷11)=110
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