Question: At the interface between one linear magnetic material and another the magnetic field lines bend (see Fig. 6.32). Show that tan 2/tan 1 = ?2/?1,

At the interface between one linear magnetic material and another the magnetic field lines bend (see Fig. 6.32). Show that tan θ2/tan θ1 = ?2/?1, assuming there is no free current at the boundary. Compare Eq. 4.68.

B 0 0 B H H

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