A Carnot engine working between $300\,K$ and $600\,K$ has work output of $800\, J$ per cycle. What is amount of heat energy supplied to the engine from source per cycle...... $J/cycle$
Medium
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(d) $\eta = \frac{{{T_1} - {T_2}}}{{{T_1}}} = \frac{W}{Q}$
==> $Q = \left( {\frac{{{T_1}}}{{{T_1} - {T_2}}}} \right)\,W$
$ = \frac{{600}}{{(600 - 300)}} \times 800 =1600 \,J$
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