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A carnot engine whose sink is at 290 K h...

A carnot engine whose sink is at 290 K has an efficiency of 30%. By how much the temperature of the source be increased to have its efficiency equal to 50%, keeping sink temperature constant

A

200 K

B

250 K

C

125 K

D

300 K

Text Solution

Verified by Experts

The correct Answer is:
C
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