In a cyclic process, work done by the system is (a) zero. (b) equal to the heat given to system. (c) more than the heat given to system. (d) independent of heat given to system.

Answer: (b). In a cyclic process the system returns to its initial state, so Δ U = 0. First law: Q = Δ U + W ⇒ W = Q. So the answer is (b) equal to the heat given to the system.

In a cyclic process, work done by the system is | MHT CET 2026 (15 Apr, Shift 2)

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P-V Diagrams & Cyclic Processes

In a cyclic process, work done by the system is

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Answer: (b)

In a cyclic process the system returns to its initial state, so $\Delta U = 0$ .
First law: $Q = \Delta U + W \Rightarrow W = Q$ .
So the answer is (b) equal to the heat given to the system.

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