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  • A thermodynamic system is taken through the cycle . The net work done by the s

A thermodynamic system is taken through the cycle \mathrm{P Q R S P}. The net work done by the system is

Option: 1

20 \mathrm{~J}


Option: 2

-20 \mathrm{~J}


Option: 3

400 \mathrm{~J}


Option: 4

-374 \mathrm{~J}


Answers (1)

best_answer

Work done = area enclosed in indicator diagram \mathrm{P Q R S P}

\mathrm{\left.=\Delta p \Delta V=\left(p_{p}-p_{s}\right) N_{Q}-V_{p}\right)}

\mathrm{=\left(1 \times 10^{5}-2 \times 10^{5}\right)\left(3 \times 10^{-4}-1 \times 10^{-4}\right)=-20 \mathrm{~J}}

Posted by

Devendra Khairwa

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