Question

What is Efficiency of Carnot Engine?

Answer

Efficiency of Carnot Engine - Efficiency (η) of an engine is defined as the ratio of useful heat (heat converted into work) to the total heat supplied to the engine. Thus η = W/Q1 = Q1 - Q2/Q1 or (η = 1 - Q2/Q1 = 1 - T2/T1) [∵ for Carnot cycle, Q2/Q1 = T2/T1]
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