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A carnot engine whose sink is at 300^@ K...

A carnot engine whose sink is at `300^@ K` has an efficiency of `40%`. By how much should the temperature of the source be increased so as to increase its efficiency by `50%` of the original efficiency

A

225 K

B

250 K

C

275 K

D

350 K

Text Solution

Verified by Experts

The correct Answer is:
B
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