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30-05-2018
Physics

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A source of potential difference of 110V is used to operate a heater with a resistance of 220. How much energy is consumed in a 24hr day?

A source of potential difference of 110V is used to operate a heater with a resistance of 220 How much energy is consumed in a 24hr day class=

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30-05-2018

1hr=3600seconds,1watt x 1sec=1joule
1 calory=4.18joules
1500 x 3600=54x10^5watt-sec=5400000joules=
=5400kj
54x10^5/ 4.18=1291866calories=
=1291.87kcal

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