//Caption:Calculate (i)-inductance per unit length,(ii)-capacitance per unit length,(iii)-charcteristic impedance,(iv)-velocity of propagation //Exa:4.1 clc; clear; close; //Given: d=0.49;//in cm D=1.1;//in cm e_r=2.3; c=3*10^8;//in meter/second L=2*(10^-7)*log(D/d);//in Henry/meter C=55.56*(10^-12)*(e_r)/log(D/d);//in farad/meter R_o=(60/sqrt(e_r)) *log(D/d);//in ohms v=c/sqrt(e_r);//in meter/second disp(L,'Inductance per unit length(in H/m) ='); disp(C,'Capacitance per unit length(in F/m) ='); disp(R_o,'Characteristic Impedance (in ohms) ='); disp(v,'Velocity of propagation (in m/s)=');