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A Carnot engine whose low temperature re...

A Carnot engine whose low temperature reservoir is at `7^@C` has an efficiency of `50%`. It is desired to increase the efficiency to `70%`. By how many degrees should the temperature reservoir be increased ?

A

840 K

B

280 K

C

560 K

D

380 K

Text Solution

Verified by Experts

The correct Answer is:
D
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