Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 1057
y be a magnetic field—possibly very feeble—between the polesof an electromagnet. The dynamo principle consists in connecting thearmature circuit and the field-magnet circuit so that any current devcloiiedin the armature may pass, wholly or in part, through the field-magnet coils.The result will be… … Kig. 1003 I032 Dynamical Electricity [988- current, which again reacts on the field, and so on. Thus a trace ofresidual magnetism is sufficient to start the apparatus, and the current thengoes on increasing as the rotation is continued, and is indeed only limitedby the limit to the magnetisation of…
Physics
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