A Carnot refrigerator operating between -20C and +20C
Chapter 21, Problem 21.61(choose chapter or problem)
A Carnot refrigerator operating between -20C and +20C extracts heat from the cold reservoir at the rate 200 J/s. What are (a) the coefficient of performance of this refrigerator, (b) the rate at which work is done on the refrigerator, and (c) the rate at which heat is exhausted to the hot side?
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