Cumming, Linnæus, b. 1843. [from old catalog] · New York, D. Van Nostrand · leaf 344
direction, and repel each otherwhen in opposite directions. To show that these movementscause induced currents, take the pair of flat spirals of Art. 185,and connect one with the battery while the other hangsparallel to it, with its terminals attached to a galvanometer.On moving either spiral… … Fig. 212. The same thing may be illustrated by thrusting a coil ofwire (Fig. 212) carrying a current inside a hollow coil consist-ing of very many turns of fine wire with which a galvano-meter alone is connected. When the spirals are approachingeach other, the induced will be inverse or opposite to…
Electricity
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