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clear
//
//
//
//Variable declaration
mew0=4*%pi*10^-7;
phi=2*10^-6; //flux(weber)
A=10^-4; //area(m^2)
N=300; //number of turns
l=30*10^-2; //length(m)
i=0.032; //current(ampere)
//Calculation
B=phi/A; //flux density(weber/metre^2)
n=N/l;
H=n*i; //magnetic intensity(amp-turn/metre)
mew=B/H; //permeability of ring(weber/amp-metre)
mewr=mew/mew0; //relative permeability
chi=mewr-1; //magnetic susceptibility
//Result
printf("\n flux density is %0.3f *10^-2 weber/metre^2",B*10^2)
printf("\n magnetic intensity is %0.0f amp-turn/metre",H)
printf("\n permeability of ring is %0.3f *10^-7 weber/amp-metre",mew*10^7)
printf("\n relative permeability is %0.1f ",mewr)
printf("\n magnetic susceptibility is %0.3f ",chi)
printf("\n answer in the book is wrong")
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