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A reversible heat engine can have 100% efficiency if the temperature of sink is

Select one:

  • a)
    less than that of source

  • b)
    equal to that of source

  • c)
    0 K

  • d)
    0°C

Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A reversible heat engine can have 100% efficiency if the temperature o...
Efficiency of heat engine = Tsource−Tsink  / Tsource ( All temperatures in kelvin )
Hence , efficiency is 100% if Tsink = 0 K
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Community Answer
A reversible heat engine can have 100% efficiency if the temperature o...
B) equal to that of source
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A reversible heat engine can have 100% efficiency if the temperature of sink isSelect one:a)less than that of sourceb)equal to that of sourcec)0 Kd)0°CCorrect answer is option 'C'. Can you explain this answer?
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