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Question
A Carnot refrigerator operates between 250°K and 300°K. Calculate its coefficient of performance.
Solution
Data: TC = 250K, TH = 300K
K = `"T"_"C"/("T"_"H"-"T"_"C")=(250"K")/(300"K"-250"K")` = 5
This is the coefficient of performance of the refrigerator.
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