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A Carnot's engine whose sink is at tempe...

A Carnot's engine whose sink is at temperature of 300K has an efficiency of `40%` By how much should the temperature of the source be increased so as to increase the efficiency to 60%?

A

250K

B

275K

C

300K

D

325K

Text Solution

Verified by Experts

The correct Answer is:
A
`eta_(1)=1-(T_(2))/(T_(1)), eta_(2)=1-(T_(2))/(T_(1)^(1))`
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