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Class 11 NEET Physics Thermodynamics and Kinetic Theory

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Question : 54 of 109

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Two Carnot engines A and B are operated in series. The engine A receives heat from the source at temperature T1 and rejects the heat to the sink at temperature T. The second engine B receives the heat at temperature T and rejects to its sink at temperature T2. For what value of T the efficiencies of the two engines are equal

‌
T1−T2
2
T1T2
√T1T2
‌
T1+T2
2

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