Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 283
d the opposite poles. 179. Movement of Current in a Magnetic Field.— A little reflection will show that the motion of the currentcannot depend on the mere magnet pole, but does dependon the field of force immediately around the current. Theobserved motion must, in fact, be the expression of a… … Fig. 164. This is easily shown if we pass a current through a wirefreely suspended above and dipping in a cup of mercury. Ifthe poles of a strong horse-shoe magnet be brought near thewire, so that the wire lies between them, or in any way cuts chap, v.] Electro- Magnetism and Dynamics. 265 the…
Electricity
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