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# (Solved): Question 34) Part 1) Part Two: A Thin Nonconducting Rod With A Uniform Distribution Of Positive Char...

Question 34)

Part 1)

Part Two:

A thin nonconducting rod with a uniform distribution of positive
charge *Q* is bent into a circle of radius *R* (see
the figure). The central perpendicular 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 to the rod at
**(a)** *z* = 0 and **(b)**
*z* = âˆž? **(c)** In terms of *R*, at
what positive value of *z* is that magnitude maximum?
**(d)** If *R* = 2.31 cm and *Q* = 4.07
*Î¼*C, what is the maximum magnitude?

In the figure the three particles are fixed in place and have charges 91 = 92 = +2e and 93 = +1e. Distance a = 6.85 um. What is the magnitude of the net electric field at point P due to the particles? -

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