Efficiency of a heat engine between 400k and 300 k
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25% is the efficiency of the heat engine.
Explanation:
Given that,
The source, as well as, sink temperatures;
T = 400k
t = 300k
To find,
The efficiency of the heat engine = 1 - t/T
= 1 - 300/400
= 1 - 0.75
= 0.25
∵ Thus, the efficiency is 25%.
Learn more: Efficiency
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