Q. 65

Expert-verifiedFound in: Page 657

Book edition
4th

Author(s)
Randall D. Knight

Pages
1240 pages

ISBN
9780133942651

In Problems *63* through *66* you are given the equation(s) used to solve a problem. For each of these

a. Write a realistic problem for which this is the correct equation(s).

b. Finish the solution of the problem

(a) A disc with a radius of and a charge of that is uniformly distributed. Discover an equation for the strength of the electric field at a point on the axis at a distance from the center.

(b) The solution is

__Given__ :

__Theory used__ :

The electric field due to a uniformly charged disc at a point very distant from the surface of the disc is given by:

( is the surface charge density on the disc)

(a) Realistic problem :

Given a disc with a radius of and a charge of that is uniformly distributed. Discover an equation for the strength of the electric field at a point on the axis at a distance from the center. If

(b) Solution :

From the previous expression, finding the value of z :

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