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Q) A diagram of a Carnot heat engine operating between temperatures T1 and T2 and a Carnot refrigerator operating between temperatures T3 and T4 is

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Q) A diagram of a Carnot heat engine operating between temperatures T1 and T2 and a Carnot refrigerator operating between temperatures T3 and T4 is shown below. Accordingly, find the ratio Q3/Q4 depending only on the temperatures. 71 T3 Q3 W Q2 Oi T2 TA

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