A thin nonconducting rod with a uniform distribution of positive charge Q is bent into a circle

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A thin nonconducting rod with a uniform distribution of positive charge Q is bent into a circle of radius (Figure). The central perpendicular axis through the ring is a axis, with the origin at the center of the ring. What is the magnitude of the electric field due to the rod at

(a) = 0 and

(b) = ∞?

(c) In terms of R, at what positive value of is that magnitude maximum?

(d) If = 2.00 cm and Q = 4.00 µC, what is the maximum magnitude?

R
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Fundamentals of Physics

ISBN: 978-0470469118

9th Edition

Authors: Jearl Walker, Halliday Resnick

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