Q

# Help me please, A thermodynamic system undergoes cyclic process ABCDA as shown in fig. the work done by the system in the cycle is:

A thermodynamic system undergoes cyclic process ABCDA as shown in fig. the work done by the system in the cycle is:

• Option 1)

$P_{o}V_{o}$

• Option 2)

$2P_{o}V_{o}$

• Option 3)

$\frac{P_{o}V_{o}}{2}$

• Option 4)

$Zero$

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Using

Cyclic Process -

A cyclic process consist of a number of changes that return the system back to its initial state.

- wherein

in cyclic process $\Delta U= 0$

Work done in cyclic process = Area of the cycle

In the upper half, cycle is anti-clockwise while in lower half it is clockwise. Hence, net work done is zero.

Option 1)

$P_{o}V_{o}$

This option is incorrect

Option 2)

$2P_{o}V_{o}$

This option is incorrect

Option 3)

$\frac{P_{o}V_{o}}{2}$

This option is incorrect

Option 4)

$Zero$

This option is correct

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