1.

For a refrigerator the heat extracted from the reservoir is equal to? ('α' is the coefficient of performance of a refrigerator, 'Q1' is the heat released to the hot reservoir, and 'W' is the work done on the system–the refrigerant.)

A. (1 + α)/Q1
B. Q1/(1 + α)
C. (1 + α)/(αQ1)
D. αQ1/(1 + α)
Answer» E.


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