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Carnot Cycle

A heat engine...

Question

A heat engine takes in $700 J$ of heat from high-temperaturere reservoir and rejects $500 J$ of heat to a lower temperature reservoir. How much work does the engine do in each cycle?

A

100 J

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B

20 J

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C

200 J

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D

10 J

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Solution

The correct option is C $200 J$
Given, $Q_{h} = 700 J$ and $Q_{c} = 500 J$
The work done by a heat engine is given by $W = Q_{h} = Q_{c} = 700 - 500 = 200 J$

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