A thin nonconducting rod with a uniform distribution of positive charge Q is bent into a circle of radius R (see the figure). The centralperpendicular axis through the ring is a z axis, with the origin at the center of the ring. What is the magnitude of the electric field due tothe rod at (a) z = 0 and (b) z = ∞o? (c) In terms of R, at what positive value of z is that magnitude maximum? (d) If R = 2.32 cm and Q = 4.25UC, what is the maximum magnitude?

A thin nonconducting rod with a uniform distribution of positive charge Q, which is bent into a…

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