98 3.17. In Fig. 3P.17 we have a slab of magnetic material positioned between three pole faces. The nonlinear magnetic material is such that the constituent relation is given by B = (H. H)H+H, where x is a known constant. (a) Show that and 2 = Lo(1 + 2) + Lo (1 - - d 4-4+1)+4(+) = Lo-1+ Lo Lo = where and Lumped-Parameter Electromechanics N turns 8 Core LOMONID - d N turns Nonlinear magnetic material g