1.

A thermodynamic system is taken from state A to B along ACB and is brought back to A along BDA as shown in the PV diagram. The net work done during the complete cycle is given by the area                                            [CBSE PMT 1992]

A.            P1ACBP2P1
B.            ACBB'A'A
C.            ACBDA
D.            ADBB'A'A
Answer» D.            ADBB'A'A


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