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  4. The figure shows three circular arcs, each of radius R and total charge as indicated. The net electric potential at the centre of curvature is - <img class=img-fluid question-image alt=Question src=https://cdn.tardigrade.in/q/nta/p-0fjpxo6ysof8uttu.jpg />

Q. The figure shows three circular arcs, each of radius and total charge as indicated. The net electric potential at the centre of curvature is -

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Solution:

Since electric potential is scalar quantity therefore :


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