which use more energy. a 2hp motor 1 hour or a 250w TV set 5 hour 30 minut?
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In case 1(motor)
Power=2h.p =2*746watt
Time =1 hr= 3600seconds
Energy used= power*time
=2*746*3600=5371200joule
In case2(TV)
Power= 250watt
Time = 5hr 30 minutes= 19800seconds
Energy used= power*time
=19800*250=4950000
Therefore 2 horsepower motor consumes more energy
Hope it is helpful.
lipun689:
thanks
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