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diff --git a/3784/CH1/EX1.1/Ex1_1.sce b/3784/CH1/EX1.1/Ex1_1.sce
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+clc
+// Va r i a b l e I n i t i a l i z a t i o n
+Vm=230 //Supply Voltage in Volts
+af=0 // Firing Angle of Converters in Field
+Rf=200 //Field Resistance in ohm
+T=50 //Load Torque in N-m
+Kt=0.8 //Torque Constant in N-m/A^2
+N=900 //Motor Speed in rpm
+Ra=0.3 // Armature Resistance in ohm
+
+//Solution
+Vf=Vm*(1+cos(af))*(1/%pi)*1.414  //Voltage across Field in Volts
+If=Vf/Rf //Field Current in Amp
+Ia=T/(Kt*If) //Armature Current in Amp
+w=(2*%pi*N)/60 //Angular Speed in rad/sec
+Eb=Kt*If*w //Back Emf in Volts
+Va=Eb+Ia*Ra // Voltage across Armature
+A=%pi*Va*(1/Vm)*(1/1.414)
+aa=acosd(A-1) //Firing Angle of Semi Converter in Armature Circuit
+VaIa=Va*Ia //Power output of Converters in Armature Circuit in Watts
+I=sqrt((180-aa)*(1/180))*Ia //Input Current
+VA=Vm*I //Input VA
+pf=VaIa/VA //Input Power Factor
+//Result
+printf('\n\n The Field Current=%0.1f Amp\n\n',If)
+printf('\n\n The Firing Angle of Semi Converter in Armature Circuit=%0.1f degree\n\n',aa)
+printf('\n\n The Power Factor of Semi Converter in Armature Circuit=%0.1f\n\n',pf)