Question: A circular current loop of radius a carrying a current I lies in the x-y plane with its center at the origin. (a) Show that

A circular current loop of radius a carrying a current I lies in the x-y plane with its center at the origin.

(a) Show that the only nonvanishing component of the vector potential is

Hola (2 d)*v dk cos kzl (kp.)K (kp) %3D

Where ? (?>) is the smaller (larger) of a and ?.

(b) Show that an alternative expression for ?? is

image

Hola (2 d)*v dk cos kzl (kp.)K (kp) %3D

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