Engineering, 26.02.2020 05:59, jennifer9983

A circular ring of charge of radius a lies in the x-y plane and is centered at the origin. Assume also that the ring is in air and
carries a uniform density pℓ.

(a) Show that the electrical potential at (0, 0, z) is given by V = pℓa/[2ƹ0(a2 + z2)1/2].
(b) Find the corresponding electric eld E

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A circular ring of charge of radius a lies in the x-y plane and is centered at the origin. Assume al...