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JEE Main 2026 (28 Jan, Shift 2) · P-V Diagrams & Cyclic Processes

P-V Diagrams & Cyclic Processes question from JEE Main 2026 (28 Jan, Shift 2)

Q15JEE Main 2026 · 28 JAN · SHIFT 2Medium

P-V Diagrams & Cyclic Processes

A thermodynamic system is taken through the cyclic process ABC as shown in the figure. The total work done by the system during the cycle ABC is ______ J.

Figure

Numerical answer type. Work it out, then open the answer.

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Answer: 300

  1. Net work = area of triangle ABC (A to B to C is clockwise, so positive).
  2. Base =5−2=3= 5 - 2 = 3 m3^3, height =300−100=200= 300 - 100 = 200 Pa.
  3. W=12×3×200=300W = \frac{1}{2} \times 3 \times 200 = 300 J
  4. Answer: 300 J.
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