A uniformly charged ring of radius 10.2 cm has a charge of 87.5 µC.
(a) Find the electric field on the axis of the ring at x = 3.0 cm.
E = N/C
(b) Find the electric field on the axis of the ring at x = 14.0 cm.
E = N/C
(c) Find the electric field on the axis of the ring at x = 70.0 cm.
E = N/C