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clc
//Chapter8
//Example8.5, page no 317
//Given
a=0.7//attenuation constant
b=0.3//phase constant
Gamma=a+(%i*b)//propagation constant
l=0.5// half length of line( for midpoint)
Vs=10// Excitation voltage
V_mod=Vs*(%e^(-a*l))//Magnitude of the Vs
phi=b*l*180/%pi//phase shift
V=V_mod*(%e^(-%i*(phi*%pi/180)))//voltage at the mid point
mprintf('the voltage at the mid point of the line is \n%f /_-%fdegrees Volts',V,phi)
// Note : There are some calculation errors in the solution presented in the book
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