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//Example number 8.7, Page number 172
clc;clear;
close;
//Variable declaration
H=1800; //magnetizing force(amp/m)
chi=3*10**-5; //magnetic flux(wb)
A=0.2*10**-4; //area(m**2)
//Calculation
B=chi/A;
mew=B/H; //permeability(henry/m)
//Result
printf("permeability is %.3e H/m^2",mew)
//answer in the book is wrong
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