Question

Two Zuc point changes are located on the x-axy. One is at x= Im and the other is at n=-1m.

(a). Determine the electric field on the y-axis at

y=0.5m

Answer 1

$E=2\frac{ke}{\sqrt{x^2+y^2}}\frac{\sqrt 5}5=1.2~\frac{nV}m .$