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+//Page Number: 562
+//Example 10.12
+clc;
+//Given
+Er=2.56;
+w=25; //mils
+t=14; //mils
+d=70; //mils
+E0=8.854D-12; //F/m
+
+//(i) K factor
+K=1/(1-(t/d));
+disp(K,'K factor:');
+
+//(ii) Fringe capacitance
+C=[(E0*Er)*[2*K*log(K+1)-(K-1)*log(K^2-1)]]/%pi;
+disp('pF/m',C*10^12,'Fringe capacitance:');
+
+//(iii) Charecteristic Impedance
+X=1/[((w*K)/d)+(C/(E0*Er))];
+Z0=(94.15*X)/sqrt(Er);
+disp('ohm',Z0,'Charecteristic Impedance:');
+
+
+//Answer in book for Z0 is given as 50.29 but it should be 51.7
+