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diff --git a/1802/CH7/EX7.6/Exa7_6.sce b/1802/CH7/EX7.6/Exa7_6.sce
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+++ b/1802/CH7/EX7.6/Exa7_6.sce
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+//Exa 7.6
+clc;
+clear;
+close;
+//Given data : 
+format('v',5);
+VA=240;//in volt
+MAxVDrop=VA*5/100;//in volt
+rho=2.87*10^-6;//in ohm-cm 
+//VAB+VBC+VCA=0;//in volt
+IA=(3200)/(26);//in Ampere
+IAB=IA;//in Ampere
+IBC=IA-100;//in Ampere
+//Allowed voltage drop: IAB*RAB+IBC*RBC=12
+R=12/(1015.26);//in ohm
+RAB=R*300*2/100;//in ohm
+RBC=R*600*2/100;//in ohm
+RCA=R*400*2/100;//in ohm
+//formula : R=rho*l/a
+a=rho*(100*100)/R;//in cm^2
+disp(a,"Cross section area(in cm^2) :");
+\ No newline at end of file