... of magnetic materials, theanalysis of elementary magnetic circuits, the forces on magnetic materials, and finally, the important electrical circuit concepts of self -inductance and mutual inductance. 9.1 ... BN132 MAGNETIC FORCES, MATERIALS, AND INDUCTANCE 297FIGURE 9.10A gaussian surface and a closed path are constructed at the boundary between media 1 and 2, havingpermeabilities of 1 and 2, ... byIdL and the volume integral by a closed line integral along the axis of thefilament, MAGNETIC FORCES, MATERIALS, AND INDUCTANCE 311| | | |▲▲e-Text Main MenuTextbook Table of Contentsand...