Fig. 9
From: Null-image effect of planar coils over a grounded ferrite slab
Contour map of the electric field, observed at \(z=h+d\), generated by the image current, plotted against the conductor-backed ferrite slab thickness \(t_f/a\) and h/a for the case of \(d/a=0.7\) and \(\mu _f=100\).
