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Helium gas goes through a cycle ABCDA (c...

Helium gas goes through a cycle ABCDA (consisting of two isochoric and isobaric lines) as shown in figure Efficiency of this cycle is nearly: (Assume the gas to be close to ideal gas)

A

15.4%

B

9.1%

C

10.5%

D

12.5%

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The correct Answer is:
A
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