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An ideal heat engine working between temperature and has an efficiency , the new efficiency if both the source and sink temperature are 4 times, will be
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Correct option is B
As η=1−T2T1 When T1&T2 are 4 times, ‘η ’ remains the same.Similar Questions
One of the most efficient engines ever developed operates between 2100 K and 700 K. Its actual efficiency is 40%. What percentage of its maximum possible efficiency is this?
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