Two Carnot engines A and B are operated in series. The first one, A receives heat at 
and rejects to a reservoir at temperature 
The second engine B receives heat rejected by the first engine and in turn, rejects to a heat reservoir at 
. Calculate the temperature 
if the work outputs of the two engines are equal:
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
D
JEE Main 2019
and, 
According to question,
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