Question:medium
A Carnot engine operates between temperatures T₁ and T₂ (T₁ > T₂). If T₁ is increased by ∆T and T₂ is decreased by ∆T, its efficiency will:
A Carnot engine operates between temperatures T₁ and T₂ (T₁ > T₂). If T₁ is increased by ∆T and T₂ is decreased by ∆T, its efficiency will:
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Key Exam Tip:
Carnot efficiency increases with a larger temperature difference between the hot reservoir ($T_1$) and the cold reservoir ($T_2$).
Carnot efficiency increases with a larger temperature difference between the hot reservoir ($T_1$) and the cold reservoir ($T_2$).
Updated On: May 16, 2026
- Increase
- Decrease
- Remain constant
- Depend on the working substance
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The Correct Option is A
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