Homework Statement
A thick slab in the region 0 \leq z \leq a , and infinite in xy plane carries a current density \vec{J} = Jz\hat{x} . Find the magnetic field as a function of z, both inside and outside the slab.
Homework Equations
Ampere's Law: \oint \vec{B} \cdot d\vec{l} = \mu_0...