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  • A Carnot engine has an efficiency when its sink is at a temperature of <img alt="27^{\circ} \mathrm{C}" src="ht

A Carnot engine has an efficiency 50 \% when its sink is at a temperature of 27^{\circ} \mathrm{C}. The temperature of the source is

Option: 1

273^{\circ} \mathrm{C}


Option: 2

300^{\circ} \mathrm{C}


Option: 3

327^{\circ} \mathrm{C}


Option: 4

373^{\circ} \mathrm{C}


Answers (1)

best_answer

\mathrm{\quad \eta=\frac{T_{1}-T_{2}}{T_{1}}=1-\frac{T_{2}}{T_{1}}}

\mathrm{\Rightarrow \quad T_{1}=\frac{T_{2}}{1-\eta}=\frac{300}{1 / 2}=600 \mathrm{~K}=327^{\circ} \mathrm{C}}.

Posted by

Devendra Khairwa

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