For a refrigerator that operates reversibly between and

PHYSICS · Single correct · A Level · Physics · Engineering physics · Engineering physics

Problem

For a refrigerator that operates reversibly between

T_H = 300\,\text{K}

and

T_C = 250\,\text{K}

, the maximum possible COP is (a)

6

(b)

4.0

(c)

5

(d)

4.8