A house is fitted with 10 lamps rated 60w each 4 fans rated 100W an electric kettle rated to 4KW if the energy cost rupees for Rs 4 per kWh Calculate the monthly bill for running applaince for 4 hours take one month =30 days
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Explanation:
no of lamps=10
power=60W
no of fans=4
P=100W
rare=4/kwh
used for 4 hrs in one day for 30 days
energy consumed by one lamp=60*=240Wh
for 10 lamps = 2400Wh=2.4KWh
energy consumed by one fan=100*4=400Wh
for 4 fans energy=1600Wh=1.6KWh
total energy consumed =2.4+1.6=4KWh
for one day the cost is 4*4=16Rs
fo 30days= 16*30= Rs 480
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