Question: In Figure a plastic rod having a uniformly distributed charge Q = ?? 25.6pC has been bent into a circular arc of radius R =
In Figure a plastic rod having a uniformly distributed charge Q = ?? 25.6pC has been bent into a circular arc of radius R = 3.71 cm and central angle Φ = 120o. With V = 0 at infinity, what is the electric potential at P, the center of curvature of the rod?

P R
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