Consider a Carnot refrigerator and a Carnot heat pump operating between the same two thermal energy reservoirs. If the COP of the refrigerator is 3.4 then the COP of the heat pump is

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2.4

1.7

3.4

4.4

answer is D.

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Detailed Solution

From thermodynamics second law, the relation between COP
of a Carnot refrigerator and heat pump is given as

${(COP)}_{heat pump} = {(COP)}_{REF} + 1$

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