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+// Exa 6.40
+format('v',7);clc;clear;close;
+// Given data
+f = 2;// in kHz
+f = f * 10^3;// in Hz
+R2= 834;// in Ω
+C2= 0.124*10^-6;// in F
+XC2= 1/(2*%pi*f*C2);// in Ω
+R3= 100;// in Ω
+C4 = 0.1;// in µF
+C4 = C4*10^-6;// in F
+XC4= 1/(2*%pi*f*C4);// in Ω
+Z2= R2+%i*XC2;// in Ω
+Z3= R3;// in Ω
+Z4= -%i*XC4;// in Ω
+// The bridge balance condition
+Z1= Z2*Z3/Z4;// in Ω
+mag= abs(Z1);// magnitude of effective impedence in Ω
+theta= atand(imag(Z1),real(Z1));// phase angle of effective impedence in °
+disp(mag,"The magnitude of effective impedence in Ω is : ")
+disp(theta,"The phase angle of effective impedence in ° is")
+
+