An electric heater is rated $1500\ W$. How much energy does it use in $10\ hours$?

Power of the heater $P=1500\ W$

Time $t=10\ hr=10\times60\times60=36000\ sec.$

Therefore, energy used by the heater $=power( p)\times time( t)$

$=1500\times36000$

$=54000000\ Joule$
 

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Updated on: 10-Oct-2022

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