Question

The amount of heat energy produced in
5 minutes by an electric heater rated at
1000 W is
​

Answer 1

Explanation:

in order to see the step by step solution please see in attachment .

Answer 2

The heat energy produced by the electric heater is 300 kJ.

Explanation:

Power of the electric heater is 1000 W.

Time, t = 5 minutes = 300 seconds

It is required to find the heat energy produced. The heat energy produced per unit time is called its power. It is given by :

$P=\dfrac{E}{t}$

E is amount of heat energy produced

$E=P\times t\\\\E=1000\times 300\\\\E=300000\ J\\\\E=300\ kJ$

So, the heat energy produced by the electric heater is 300 kJ.

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The amount of heat energy produced in  5 minutes by an electric heater rated at  1000 W is ?

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