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+//Electric Drives:concepts and applications by V.subrahmanyam
+//Publisher:Tata McGraw-Hill 
+//Edition:Second 
+//Ex1_7
+clc;
+clear;
+V=250;// voltage in V
+I=40;//Current in A
+Ro=0.4;// Resistance in ohm
+R1=2.725;// Resistance in ohm
+R2=3.5;// Resistance in ohm
+Eb=125;// voltage in V
+Na=480;//Speed in rpm
+Na1=50.24;//Speed in rad/sec
+R=((1/R1)+(1/R2));
+Vm=(V-(I*R1))/(R*R1);
+Em=Vm-(I*Ro);
+N=(Em/Eb)*Na;
+disp(N,'The speed of the motor in rpm is:')
+N1=(2*%pi*N)/60;
+Il=(V-Vm)/R1;
+Po=Em*I;
+T=Po/N1;
+disp(T,'The torque in Nm is:')