A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown below in the P-V diagram. The net work done during the complete cycle is given by the area covered by_________________?
Correct answer: B. ACBDA
- A. P1ACBP2P1
- B. ACBDA
- C. ACBB1A1A
- D. ADBB1A1A
Explanation
For a complete cycle, the net work equals the closed area on the P-V diagram, namely the region enclosed by the forward path ACB and return path BDA. This is represented by area ACBDA.
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