Find the magnetic field a distance r from the center of
a long wire that has radius a and carries a uniform
current per unit area j in the positive z-direction.PART AFirst find the magnetic field, B? out(r?
),outside the wire (i.e., when the distance ris
greater than a). (Figure 1)Express B? out(r? ) in terms of the given
parameters, the permeability constant ?0, the variables a, j (the magnitude of j? ), r,?, and z, and the corresponding unit...