Question: A heat pump working on a reversed Carnot cycle has a COP of 5 . If it is made to work as a refrigerator taking

A heat pump working on a reversed Carnot cycle has a COP of 5 . If it is made to work as a refrigerator taking $1 \mathrm{KW}$ of work input, the refrigerating effect will be:

(a) $1 \mathrm{KW}$

(b) $2 \mathrm{KW}$

(c) $3 \mathrm{KW}$

(d) $4 \mathrm{KW}$

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