P (Pa) 4 6,000+ 4,000 2,000- 3 (A) -80 J (B) -40 J (C) 40 J (D) 80 J (E) 180 J 2 0 0 0.01 0.02 0.03 V (m³) 28. A sample of nitrogen gas undergoes the cyclic thermodynamic process shown above. Which of the following gives the net heat transferred to the system in one complete cycle 1-2-3-1?
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