Elementary treatise on physics experimental and applied for the use of colleges and schools (1890)
Ganot, A. (Adolphe), 1804-1887, Atkinson, E. (Edmund) · New York : W. Wood · leaf 917
d a strong-magnet suddenly brought in contact with it ; the needle of the galvanometeris deflected, but returns to zero when the magnet is stationary, and is de-flected in the opposite direction when it is removed. The induction is herepi^oduced by the magnetisation of the soft iron bar in the… … the wire in such a manner that its poles act successively by influence on thetwo branches of the electromagnet; or also by forming two coils round ahorseshoe magnet, and passing a plate of soft iron rapidly in front of thepoles of the magnet ; the soft iron becoming magnetic reacts by influence…
Physics
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