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Two moles of Helium gas undergos a cycli...

Two moles of Helium gas undergos a cyclic process as shown in figure. Assuming gas to be ideal, what is the net work involved in the cyclic process?

A

`-138 R ln 2`

B

`+150 R ln 2`

C

`+200 R ln 2`

D

`-200 R ln2`

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The correct Answer is:
A
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