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Physics
Physics
Problem
For a refrigerator that operates reversibly between
T
H
=
300
K
T_H = 300\,\text{K}
T
H
=
300
K
and
T
C
=
250
K
T_C = 250\,\text{K}
T
C
=
250
K
, the maximum possible COP is a)
6
6
6
b)
4.0
4.0
4.0
c)
5
5
5
d)
4.8
4.8
4.8
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