A Carnot engine operates between T1 and T2. If there is an increase in source temperature by t and decrease in sink temperature by t.
How the efficiency in both cases is related?
None of these
According
to question,
Case-1: If
there is an increases is source temperature by t
Efficiency of Carnot engine becomes,
Case-2
: If there is decreases in sink temperature by t
Efficiency of Carnot engine becomes,
or relation between efficiencies, subtracting equation (ii) from equation (i)
Hence, the correct option is (B).
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