Work, Power and EnergyHard
Question
An ideal heat engine working between temperature T1 and T2 has an efficiency η, the new effciency if both the source and sink temperature are doubled, will be :-
Options
A.η/2
B.η
C.2η
D.3η
Solution
In first case η1 = 
In second case η2 =
= η
In second case η2 =
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