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clear
//
//
//
//Variable declaration
e=1.6*10**-19 //charge(coulomb)
new=6.8*10**15 //frequency(revolutions per second)
mew0=4*%pi*10**-7
R=5.1*10**-11 //radius(m)
//Calculation
i=(e*new) //current(ampere)
B=mew0*i/(2*R) //magnetic field at the centre(weber/m**2)
A=%pi*R**2
d=i*A //dipole moment(ampere/m**2)
//Result
printf("\n magnetic field at the centre is %0.0f weber/m**2",B)
printf("\n dipole moment is %0.0f *10**-24 ampere/m**2",d*10**24)
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