Magnetization



Magnetization

Introduction

The sources of the magnetic ?elds considered in Chap. 8 were conduction currents associated with the motion of unpaired charge carriers through materials. Typically, the current was in a metal and the carriers were conduction electrons. In this chapter, we recognize that materials provide still other magnetic ?eld sources. These account for the ?elds of permanent magnets and for the increase in inductance produced in a coil by insertion of a magnetizable material. Magnetization e?ects are due to the propensity of the atomic constituents of matter to behave as magnetic dipoles. It is natural to think of electrons circulating around ...