Q: 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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Ans: (a)