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clear
//Given
l=10**-6 //m
d=7.9 //g
a=6.023*10**23
n=55.0
M1=9.27*10**-24
//Calculation
V=l**2
M=V*d
N=(a*M)/n
Mmax=N*M1
Imax=Mmax/V*10**-4
//Result
printf("\n Number of iron atom is %0.2f *10**10 atoms",N*10**-10)
printf("\n Magnetisation of the dipole is %0.0f *10**5 A/m",Imax*10**5)
printf("\n Maximum possible dipole moment is %0.0f *10**-13 A m**2",Mmax*10**13)
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