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  4. <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/c-a5vh6hlg6yby.png /> In the present graph, the area of circle A and B are 25 unit and 20 unit respectively work done will be in unit?

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Q. Question

In the present graph, the area of circle A and B are 25 unit and 20 unit respectively work done will be in unit?

NTA AbhyasNTA Abhyas 2020Thermodynamics

Solution:

Total work done = Area of circle A (anticlockwise) - Area of circle B (clockwise)

$=25-20=5$ units.