Question

what is principal of heat exchange ?​

Answer 1

Answer:

When hot body is kept in contact with cold body , then the quantity of heat lost by hot body is equal to the quantity of heat gained by cold body is called principal of heat exchange.

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Answer 2

When hot body is kept in contact with cold body , then the quantity of heat lost by hot body is equal to the quantity of heat gained by cold body is called principal of heat exchange...

Or Chocolate Cahiye Ya Fir Nahi...

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