A Cannot engine works between 200ºC and 0ºC. Another Carnot engine works between 0ºC and –200ºC. In both cases the working substance absorbs 4 kilocalories of heat from the source. The efficiency of first engine will be –
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
η = 
× 100 = 
× 100
= 
× 100 in % or η = 
in fraction
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