Question

A bar of magnetic material consists of atoms with magnetic dipole moments of magnitude μatom = 3.50 ×10-23J/T. The bar contains N = 2.4 × 1021 atoms and has a volume of V = 3.0 × 10-8 m 3 . What is the saturation magnetization? If only 0.300% of the atomic dipoles are aligned, what is the magnetization?

 

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