A plastic rod has been bent into a circle of radius R 8.20 cm. It has a charge Q1 4.20
Chapter 24, Problem 25(choose chapter or problem)
A plastic rod has been bent into a circle of radius R 8.20 cm. It has a charge Q1 4.20 pC uniformly distributed along onequarter of its circumference and a charge Q2 6Q1 uniformly distributed along the rest of the circumference (Fig. 24-44). With V 0 at infinity, what is the electric potential at (a) the center C of the circle and (b) point P, on the central axis of the circle at distance D 6.71 cm from the center? PQ 2RFigure 24-44 25.
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