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clc
// Fundamental of Electric Circuit
// Charles K. Alexander and Matthew N.O Sadiku
// Mc Graw Hill of New York
// 5th Edition
// Part 1 : AC Circuits
// Chapter 13 : Magnetically Couple Circuits
// Example 13 - 8
clear; clc; close;
//
// Given data
Z1 = complex(4.0000,-6.0000);
ZL = complex(20.0000,0.0000);
Vs = complex(120*cosd(0.0000),120*sind(0.0000))
n = 2.0000;
//
// Calculations I1
ZR = ZL/n^2;
Zin = Z1 + ZR;
I1 = Vs/Zin
I1_mag = norm(I1)
I1_angle = atand(imag(I1),real(I1));
// Calculation I2
I2 = -I1/n;
Vo = ZL*I2;
Vo_mag = norm(Vo);
Vo_angle = atand(imag(Vo),real(Vo))+360.0000;
// Complex Power
S = Vs*conj(I1);
S_mag = norm(S);
S_angle = atand(imag(S),real(S))
// Display the result
disp("Example 13-8 Solution : ");
printf(" \n I1_mag = Magnitude of Current I1 = %.3f A",I1_mag)
printf(" \n I1_angle = Angle at Current I1 = %.3f degree",I1_angle)
printf(" \n Vo_mag = Magnitude of Voltage Vo = %.3f Volt",Vo_mag)
printf(" \n Vo_angle = Angle at Voltage Vo = %.3f degree",Vo_angle)
printf(" \n S_mag = Magnitude of Complex Power = %.3f VA",S_mag)
printf(" \n S_angle = Angle at Complex Power = %.3f degree",S_angle)
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