Figure shows a ring of outer radius R 13 0 cm, inner radius r 0 200R, and uniform surface charge density 6 20pC m2 With V 0 at infinity, find the electric potential at point P on the central axis of the ring, at distance z 2 00R from the center of the ring P R ...

We treat the system as a superposition of a disk of surface charge density and radiu ...

Figure shows a ring of outer radius R = 13.0 cm, inner radius r = 0.200R, and

Question:

Figure shows a ring of outer radius R = 13.0 cm, inner radius r = 0.200R, and uniform surface charge density σ = 6.20pC/m2. With V - 0 at infinity, find the electric potential at point P on the central axis of the ring, at distance z = 2.00R from the center of the ring.