Which uses more energy,a 800W refrigerator that operates for 8 hours a day or a 60W bulb that operates for 10 hours a day?
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Wattage or electric power rating of the refrigerator: 800 Watts
Energy consumed by the refrigerator per day:
E = Power * time duration
E = 800 W * 8 hrs = 6,400 Joules
Energy consumed by the bulb :
E = 60 W * 10 hrs = 600 Joules.
So the refrigerator consumes more energy.
Energy consumed by the refrigerator per day:
E = Power * time duration
E = 800 W * 8 hrs = 6,400 Joules
Energy consumed by the bulb :
E = 60 W * 10 hrs = 600 Joules.
So the refrigerator consumes more energy.
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