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clc//
//
//
//Variable declaration
d=7.8*10^3; //density(kg/m^3)
n=6.025*10^26; //number of atoms
w=157.26; //atomic weight(kg)
mewm=9.27*10^-24;
mew=7.1*mewm;
mew0=4*%pi*10^-7;
//Calculation
N=d*n/w; //number of atoms
mew_B=N*mew/10^3; //magnetic moment per gram(Am^2)
Bs=N*mew0*mew;
//Result
printf("\n magnetic moment per gram %0.3f Am^2",mew_B)
printf("\n magnetic moment per gram is %0.4f Wb/m^2",Bs)
printf("\n answer given in the book varies due to rounding off errors")
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