A house hold use 2 fansof rating 80 W for 12 hours per day how much unit of electric energy is consumed by him per month
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total power consumed= 80*2=160 W = .16kw
time taken everyday= 12hr
we know
e=pt
e=.16*12
e=1.92Kw-h
total energy consumed in a month
1.92*30(or 31 according to the question)
=57.6kw-h
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