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diff --git a/3784/CH7/EX7.3/Ex7_3.sce b/3784/CH7/EX7.3/Ex7_3.sce
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+clc
+//variable initialization
+V=440 //voltage in volts
+P=6 //number of poles
+f=50 //frequency in Hz
+R1=2 //resistance in ohm
+R2=2 //resistance in ohm
+X1=3 //reactance in ohm
+X2=4 //reactance in ohm
+N1=945 //speed in rpm
+N2=800 //speed in rpm
+
+//solution
+Ns=(120*f)/P
+s=(Ns-N1)/Ns
+w=2*%pi*Ns/60
+T=(3/w)*((V^(2)*(R2/s))/(((R1+(R2/s))^(2))+(X1+X2)^(2)))
+k=T/(1-s)^2//The answer provided in the textbook is wrong
+s1=(Ns-N2)/Ns
+Tl=k*((1-s1)^(2))//The answer provided in the textbook is wrong
+V2=sqrt((Tl*w*(((R1+(R2/s1))^2)+((X1+X2)^2))/((R2/s1)*3)))//The answer provided in the textbook is wrong
+I=V2/((R1+(R2/s1))+(%i*(X1+X2)))//The answer provided in the textbook is wrong
+Il=sqrt(3)*I//The answer provided in the textbook is wrong
+printf('\n\n The Line Current=%0.1f Amp\n\n',Il)