The Magnetic Circuit in Theory and Practice

accordance action already applied approximation armature assumed axis body called chapter closed coil complete components condition conductor considerations considered constant continuity corresponding curve demagnetising denote determined direction discussed distance distribution divided electric electromagnetic ends equal equation experimental experiments expression external faces fact factor ferromagnetic substance field flux of induction follows force function further given gives greater hold increases influence integration introduced iron latter leakage length lifting force limiting lines machine magnetic circuit magnetic intensity magnetisation magnetomotive force manner mean measure mentioned method normal observed obtain pass plane portion position possible potential practical present principle produced proportional quantity question reference regarded relation represented resultant ring seen shape simple slit solenoidal space straight sufficient surface term theorem theory tion toroid turns uniform unit vector