Question: A circular loop with radius R and current I lies in the x-y plane centered on the z-axis. The magnetic field on the symmetry axis

A circular loop with radius R and current I lies in the x-y plane centered on the z-axis. The magnetic field on the symmetry axis is

R B(z) = (R + z)/2. z In cylindrical coordinates, B,(p, z)

R B(z) = (R + z)/2. z In cylindrical coordinates, B,(p, z) = f(z)p when p < < R. Use only the Maxwell equations to find f(z) and then B (p, z) when p < < R.

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