Physics for Scientists and Engineers
Physics for Scientists and Engineers
6th Edition
ISBN: 9781429281843
Author: Tipler
Publisher: MAC HIGHER
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Chapter 22, Problem 20P

(a)

To determine

To Show: The electric field strength on the axis of a ring charge of radius a has maximum values at z=±a2 .

(b)

To determine

To Sketch: The electric field strength E versus z for both positive and negative values of z .

(c)

To determine

The maximum value of E .

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A charge of q = 2.00 x 10-9 C is spread evenly on a thin metal disk of radius 0.200 m. (a) Calculate the charge density on the disk. (b) Find the magnitude of the electric field just above the center of the disk, neglecting edge effects and assuming a uniform distribution of charge.
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