Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Two Carnot engines A and 
operate in series such that engine 
absorbs heat at 
and rejects heat to a sink at temperature T. Engine B absorbs half of the heat rejected by Engine A and rejects heat to the sink at 
. When workdone in both the cases is equal, to value of 
is:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
The given situation can be represented as shown
Work done by engine 
is given as
Also, work done by engine 
is given as
Now, it is given as
From eq (1) and (2) we have
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