In a house, 5 CF lamps each of 20 W, works for 4 hours, 4 fans each of 60 W work for 5 hours and a TV of 100 W works for 4 hours in a day. What will be the daily consumption shown by the watt hour meter?
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Answer:
4 hour's consumption of 5 CFL having 20W
1000
5×20×4
=0.4kWh
5 hour's consumption of 4 Fan having 60W
1000
4×60×5
=1.2kWh
4 hour's consumption of one T.V having 100W
1000
1×100×4
=0.4kWh
Total unit = 2kWh
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