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A Carnot engine whose sinl is at 300K ha...

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

A

275 K

B

325 K

C

250 K

D

380 K

Text Solution

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The correct Answer is:
c
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