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Question

In the shown thermodynamic process, the correct statement is
1133545_6842f268508f48909f503f6d4dce11a9.GIF

A
Heat given in the complete cycle ABCA is zero
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B
Work done in the complete cycle ABCA is zero
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C
Work done in the complete cycle ABCA is (P0V0/2)
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D
None
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Solution

The correct option is D Work done in the complete cycle ABCA is (P0V0/2)
Given: P-V graph
Solution :
For a cyclic process work done in the complete cycle is given by the are enclosed by the curve. If the cyclic process is clockwise work is done by the system.
2. Area of the triangle = 12×(base)×(height)
Area=12×(2VoVo)×(3Po2Po)
Area=12×(Vo)×(Po)
As, cycle is clockwise , work done by system is positive
W=PoVo2
Hence, correct option is C.


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