Thomälen, Adolf, 1865-, Thomälen Adolf. Kurzes Lehrbuch der Electrotechnik. English · London, E. Arnold · leaf 288
Ei Fig. 265 … Fig. 266 A point is found in the sine curve having an ordinate equal to the re-manent magnetism OR. This point corresponds to the moment 0 at whichthe current is consequently zero.
Electrical engineering
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