A Carnot engine works between 600K and 300K. In each cycle of operations the engine draws 1000J of energy from the source at 600K. The useful work done by the engine is

100 Joule

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500 Joule

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1000 Joule

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150 Joule

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Solution

The correct option is B 500 Joule
Efficiency of the carnot engine $(η) = \frac{W}{Q_{h}} = 1 - \frac{T_{c}}{T_{h}}$
$\frac{W}{1000} = 1 - \frac{300}{600} = 1 - 0.5 = 0.5$
$W = 1000 \times 0.5 = 500 J$

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A Carnot engine works between 600K and 300K. In each cycle of operations the engine draws 1000J of energy from the source at 600K. The useful work done by the engine is

The correct option is B 500 JouleEfficiency of the carnot engine(η)=WQh=1−TcThW1000=1−300600=1−0.5=0.5W=1000×0.5=500J

The correct option is B 500 Joule
Efficiency of the carnot engine $(η) = \frac{W}{Q_{h}} = 1 - \frac{T_{c}}{T_{h}}$
$\frac{W}{1000} = 1 - \frac{300}{600} = 1 - 0.5 = 0.5$
$W = 1000 \times 0.5 = 500 J$