A fan of power 25 W is used 10 hour's per day and a TV of power 50W is used 6 hours per day. What is the energy consumption of a fanan tv per month of 30 days ?
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1) 16500 Wh
2) 7500 Wh
3) 3000 Wh
4) 22500 Wh
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Answer:
Consumption of energy by fan per day = 25*10= 250 W hr
Consumption of energy by fan in 30 days = 7500 W hr
Consumption of energy by TV per day = 50*6= 300 W hr
Consumption of energy by TV in 30 days = 9000 W hr
Total consumption of electrical energy = 16500 W hr
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