A heat engine working between 300K and 600 K has a work out put of 800J. The heat supplied by the source is

800J

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3200J

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1600J

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6400J

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Solution

The correct option is D 1600J
Efficiency of a Carnot engine $(η) = \frac{W}{Q_{h}} = 1 - \frac{T_{c}}{T_{h}} = 1 - \frac{300}{600} = 0.5$
$Q_{h} = \frac{800}{0.5} = 1600 J$

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A heat engine working between 300K and 600 K has a work out put of 800J. The heat supplied by the source is

The correct option is D 1600JEfficiency of a Carnot engine(η)=WQh=1−TcTh=1−300600=0.5Qh=8000.5=1600J

The correct option is D 1600J
Efficiency of a Carnot engine $(η) = \frac{W}{Q_{h}} = 1 - \frac{T_{c}}{T_{h}} = 1 - \frac{300}{600} = 0.5$
$Q_{h} = \frac{800}{0.5} = 1600 J$