A refrigerator consumes 120 J of electrical energy to transfer 480 J of heat energy. Calculate its coefficient of performance (COP).

Question

TextSecond Law of Thermodynamics

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A refrigerator operates between two temperatures, 250 K and 300 K. It absorbs 500 J of heat from the cold body and rejects 700 J of heat to the hot body.

CASE_STUDIESSecond Law of Thermodynamics