Question:medium

For which of the following combinations of working temperatures, the efficiency of Carnot's engine is maximum?

Show Hint

- Efficiency increases when $\frac{T_C}{T_H}$ is minimum - Larger temperature difference $\Rightarrow$ higher efficiency
Updated On: May 4, 2026
  • 40 K and 20 K
  • 50 K and 30 K
  • 70 K and 50 K
  • 90 K and 60 K
Show Solution

The Correct Option is A

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