The coefficient of performance (C.O.P.) of a refrigerator working as a – McqOptions

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1.	The coefficient of performance (C.O.P.) of a refrigerator working as a heat pump is given by
A.	(C.O.P.)P = (C.O.P.)R + 2
B.	(C.O.P.)P = (C.O.P.)R + 1
C.	(C.O.P)P = (C.O.P)R - 1
D.	(C.O.P)P = (C.O.P)R
Answer» C. (C.O.P)P = (C.O.P)R - 1

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