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+//Example_a_10_14 page no:475
+clc;
+turn=700;
+mu_o=4*%pi*10^-7;
+mu_r=600;
+phi_g=1.8*10^-3;
+Ag=4*4&10^-4;
+Bg=(1.8*10^-3)/(16*10^-4);
+Ig=0.001;
+Hg=Bg/mu_o;
+mmf_gap=Hg*Ig;
+phi_c=1.8*10^-3;
+Ac=4*4*10^-4;
+Bc=1.125;
+Ic=0.24;
+Is=0.6;
+Hc=Bc/(mu_o*mu_r);
+mmf_central_limb=Hc*Ic;
+phi_s=(1/2)*phi_g;
+Bs=phi_s/(16*10^-4);
+Hs=Bs/(mu_o*mu_r);
+//calculating the mmf
+mmf_side_limb=Hs*Is;
+mmf_t=mmf_gap+mmf_central_limb+mmf_side_limb;
+current_required=mmf_t/turn;
+disp(current_required,"the required current is (in A)");