A point charge of -4 micro C is located atx = 1 m, y = -2m. A second point charge of 12 micro C is locatedat x = 1 m, y =3 m.
(a) Find the magnitude and direction of the electric field atx = -1 m, y =0.
(b) Calculate the magnitude and direction of the force on anelectron at x = -1 m, y =0.
