1.

Efficiency of a Carnot engine working between temperatures T₁ and T₂ (T₁ < T₂) is

A. (T₂ - T₁)/T₂
B. (T₂ - T₁)/T₁
C. (T₁ - T₂)/T₂
D. (T₁ - T₂)/T₁
Answer» B. (T₂ - T₁)/T₁


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