Question

An infinitely long solid cylinder of radius R has a uniform volume charge density

.

It has a spherical

cavity of radius R/2 with its centre on the axis of the cylinder, as shown in the figure. The magnitude of the

electric field at the point P, which is at a distance 2R from the axis of the cylinder, is given by the expression



0

23 R

.

16k

What is the value of k?​

Answer 1

Explanation:

And the value of k is 9×10^9 in SI unit.

Answer 2

See is this your answer