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A Carnot engine takes 3xx10^6 cal of hea...

A Carnot engine takes `3xx10^6` cal of heat from a reservoir at `627^@C` and gives it to a sink at `27^@C`. The work done by the engine is:

A

`8.4 xx 10^(6) j`

B

`16.8 10^(6) j`

C

zero

D

`4.2 xx 10^(6) j`

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The correct Answer is:
A
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