A heat pump working between two reservoirs has a coefficient of performance of

PHYSICS · Single correct · CBSE · Physics · Thermodynamics · Thermodynamics

Problem

A heat pump working between two reservoirs has a coefficient of performance of 66. What is the coefficient of performance of the same machine when it is used as a refrigerator between the same reservoirs? (a) 66 (b) 1.21.2 (c) 55 (d) 77

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