1
10
100
â1
Answer is Wrong!
Answer is Right!
The correct answer is (a).
The coefficient of performance (COP) of a heat pump is the ratio of the heat output to the work input. The COP of a refrigerator is the ratio of the heat removed from the cold space to the work input.
The COP of a heat pump is always greater than or equal to 1, while the COP of a refrigerator is always less than or equal to 1. This is because a heat pump can move heat from a low temperature to a high temperature, while a refrigerator can only move heat from
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