Question

Two large thin metal plates are parallel and close to each other. On their inner faces, the plates have surface charge densities of opposite signs and of magnitude 17 x 10^-22C/m². What is \(\vec E\) :
(a) In the outer region of the first plate
(b) In the outer region of the second plate, and
(c) Between the plates?

Answer 1

Here, σ = 17 x 10^-22 Cm^-2
(a) To the left of plates.
The electric field at this region is zero

(b) To the right of the plates
The electric field in this region is zero.

(c) Between the two plates
The electric field at this region is given by