An electric heater of 400w works for 2hours ,find the electric energy unit consumed in a day?
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power= 400 W,
time = 2*60*60sec,
= 7200sec,
so, energy is,
power*time
7200*400;
=288000 joules..
mark answer as brainliest.. please
time = 2*60*60sec,
= 7200sec,
so, energy is,
power*time
7200*400;
=288000 joules..
mark answer as brainliest.. please
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