MCQ
The efficiency of a Carnot engine working between $T_H=400 K$ and $T_C=300 K$ is
- A$75 \%$
- ✓$25 \%$
- C$1 / 3$
- D$4 / 7$
✓
Answer
Correct option: B.
$25 \%$
$25 \%$
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