Efficiency of a Carnot engine working between temperatures T1 and T2 (T1 < T) is ________________?
Correct answer: A. (T2 - T1)/T2
- A. (T2 - T1)/T2
- B. (T2 - T1)/T1
- C. (T1 - T2)/T2
- D. (T1 - T2)/T1
Explanation
A Carnot engine rejects heat at the lower temperature T1 and receives heat at the higher temperature T2, so η = 1 − T1/T2 = (T2 − T1)/T2. This corresponds to option a.
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