An infinite plane lies in the yz-plane and it has a uniform surface charge density.The electric field at a distance x from the plane A)decreases linearly with x. B)decreases as 1/x². C)is constant and does not depend on x. D)increases linearly with x. E)is undetermined.

Question

Quizplus · Accepted Answer

By symmetry, the electric field must be perpendicular to the plane and be uniform in magnitude, as it is equidistant from all points on the plane. Therefore, the electric field is constant and does not depend on the distance from the plane.

An Infinite Plane Lies in the Yz-Plane and It Has