Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 38
increase of the magnetizing force from zeroto about 205 units; and the descending line shows the same relationduring the decrease of the magnetizing force to zero, and then re-versing it so as to remove the residual magnetism. Curve B showsthe behavior of grey cast iron. Every sample of iron will… … Fig. 13. Magnetization Curve for Ironand Steel wrought iron or mild steel. In addition, it will usually be noted thatthe curves for fresh pieces of iron or steel present, at the lowest partof the curve near the origin, a small concavity, Fig. 12, showing that under certain magnetizingforces the…
Electrical engineering
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