A charge of -8.50nC is spread uniformly over the surface of one face of a noncon

Question

A charge of -8.50nC is spread uniformly over the surface of one face of a nonconducting disk of radius 1.15cm. 1.Find the magnitude of the electric field this disk produces at a point on the axis of the disk a distance of 3.00 from its center. 2.Suppose that the charge were all pushed away from the center and distributed uniformly on the outer rim of the disk. Find the magnitude of the electric field at point . 3.If the charge is all brought to the center of the disk, find the magnitude and direction of the electric field at point . 4.Why is the field in part (a) stronger than the field in part (b)? 5.Why is the field in part (c) the strongest of the three fields?

Explanation / Answer

if you donot get the rite answer check the calculations rate me 5 star plz Let R be the radius of the disk and x the distance of P to the center of the sphere. Start with part 3) since you can use the result for part1 (3) we have a uniformly distributed line charge with ? = Q/(2???R) Consider a small segment of arc length ds. It carries a charge of dq = ? ds and produces at P an electrical field of dE_a = [k?dq/?(R

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