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//Electric machines and power systems by Syed A Nasar
//Publisher:TataMcgraw Hill
//Year: 2002 ; Edition - 7
//Example 2.1
//Scilab Version : 6.0.0 ; OS : Windows
clc;
clear;
a1=5*10^-4;a2=10*10^-4; //area of cross sections in m^2
l1=24*10^-2;l2=8*10^-2; //mean length in m
ur=500; //relative permiability of the material
u0=4*3.14*10^-7 //permiabiity of free space
u=ur*u0; //permiablity in H/m
r1=l1/(u*a1); //reluctance of material with lenght l1
r2=l2/(u*a2); //reluctance of material with lenght l2
r_a=r1/2+r2; //net reluctance of a 200 turn coilin H^-1
r_b=r1*r2/(r1+r2)+r1; //net reluctance of 100 turn coil in H^-1
printf('the net reluctance of 200 turn coil is %2f in H^-1\n',r_a)
printf('the net reluctance of 100 turn coil is %2f in H^-1\n',r_b)
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