Published by:
CGP EDU Academic Team
Published on: August 13, 2026
A Carnot engine whose heat sinks at 
, has an efficiency of 
. By how many degrees should the temperature of the source be changed to increase the efficiency by 
of the original efficiency?
A
Increases by 
B
Increase by 
C
Increase by 
D
Increase by 
Text Solution
Verified by ExpertsThe correct answer is:
B
If efficiency increased by 
then new efficiency 
Increase in temp 
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