A thin ring of radius is placed in the x-y plane. It carries a linear charge density of = ₀(), where is the angle swept out in the x-y plane from 0 to 2.
A) Calculate the electric potential at a point z above the ring along the axis.
B) Calculate the electric field at the same point.
A) Calculate the electric potential at a point z above the ring along the axis.
B) Calculate the electric field at the same point.