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Q-3) A uniform volume current density J = Joâx is distributed in a slab of thickness d
(permeability, μ = μo) as provided below. This slab has infinite extend in x and y
directions. Using Ampere's Circuital Law, evaluate the magnetic field B everywhere,
inside and outside the slab.
Figure 3. The geometry of Q-3.
Z
j=Joax
y
_z = +d/2
z = -d/2

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