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Effect of Change of Temperature on State Change of Matter

The temperatu...

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The temperature of a room heated by a heater is 25^° C, when outside temperature is 15^° C, and it is 15^° C when outside temperature is 0^° C. The temperature of the heater is :Options are: a)30^° b)45^° c)60^° d)75^°

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Find thermal power of heater in kW :

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