Question

Find an expression for elctric field intensity at any point on the axis of semicircular uniformly charged ring

Answer 1

AnswEr:—

Let the charge distribution per unit length along the semicircle be represented by l

that is,

The net charge represented by the entire circumference of length of the semicircle could then be expressed as Q = l(pa).

Let's first combine F = qE and Coulomb's Law to derive an expression for E.