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Chapter 22, Problem 035 At what distance along the central axis of a uniformly charged plastic...

Chapter 22, Problem 035 At what distance along the central axis of a uniformly charged plastic disk of radius R = 1.23 m is the magnitude of the electric field equal to 1/7 times the magnitude of the field at the center of the surface of the disk?

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Answer #1

Summary :

In this problem we should apply the formula of electric field at distance z along central axis. Which is as follows:

Ez = 2E0

And electric field at center : Ec = 2 0

Then we will apply the equation: Ez = Ec/7 to get value of z.

See the answer :

Kadlu るane 7 ス20 2 te Ec3 132230 22 6 R 13 6(133) 5 m 13 lude of the iela

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