The magnetic dipole moment of the iron atom is about 2.0 x 10⁻²³ A m²
(a) Calculate the maximum magnetic dipole moment (in A m2) of a domain consisting of 1020 iron atoms 2 x 10⁻⁵
(a) Calculate the maximum magnetic dipole moment (in A m2) of a domain consisting of 1020 iron atoms 2 x 10⁻⁵