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Physics
Physics
Problem
A domestic refrigerator has a coefficient of performance of
2.5
2.5
2.5
. If the same device is run as a heat pump between the same two reservoirs, its coefficient of performance will be a)
2.5
2.5
2.5
b)
3.5
3.5
3.5
c)
1.5
1.5
1.5
d)
4.5
4.5
4.5
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