Electricians' operating and testing manual; (1910)
Horstmann, Henry C. [from old catalog], Tousley, Victor Hugo, 1875- [from old catalog] joint author · Chicago, F. H. Drake & co · leaf 34
urecomes in contact with the cores the demagnetization isgreatly retarded as this helps increase the hysteresis,of which we shall speak later. A special form of magnet that is often used is dia-grammatically shown in Figure 17. In this formof magnet the armature A is continually under the… … Figure 17 the magnetism will also be reversed and the armaturethrown the other way. The end that before was at-tracted will now be repelled and the one that beforewas repelled will now be attracted. Under the influ-ence of an alternating current the armature will movein time with the current and…
Electrical engineering · Electric testing
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.