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An ideal gas is taken around the cycle ABCA as shown in P-V diagram. The value of q for the cycle is equal to:

An ideal gas is taken around the cycle ABCA as shown in P-V diagram. The value of q for the cycle is equal to: Correct Answer 5 P<sub>1</sub>V<sub>1</sub>

Work done by the gas in the cyclic process = Area bounded (ABCA) = – 5 P1V1

Therefore, q = – W = 5 P1V1 (cyclic process, so ΔE = 0).

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