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A Carnot engine whose heat sinks at 27^@...

A Carnot engine whose heat sinks at `27^@C`, has an efficiency of 25%. By how many degrees should the temperature of the source be changed to increase the efficiency by 100% of the original efficiency?

A

Increases by `18^@C`

B

Increases by `200^@C`

C

Increases by `120^@C`

D

Increases by `73^@C`

Text Solution

Verified by Experts

The correct Answer is:
C
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