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+//Book Name:Fundamentals of Electrical Engineering
+//Author:Rajendra Prasad
+//Publisher: PHI Learning Private Limited
+//Edition:Third ,2014
+
+//Ex8_11.sce.
+
+clc;
+clear;
+V1=440;
+V2=220;
+Ia=50;
+Ra=0.3;
+a=2;
+p=2;
+Z=850;
+phi_1=0.025;
+phi_2=0.02;
+
+E=V1-(Ia*Ra);
+n1=(E*a)/(2*Z*p*phi_1);
+N1=n1*60;
+n1_by_n2=(V1*phi_2)/(V2*phi_1);
+n2=n1/(n1_by_n2);
+N2=n2*60;
+printf("\n   Motor Speed: \t N1=%d r.p.m \t N2=%d r.p.m \n",N1,N2)