Johnson's natural philosophy and key to philosophical charts : illustrated with 500 cuts; being reduced photographic copies of all the diagrams contained in the author's philosophical series of indestructible school charts ; for the use of schools and families (1878)
t orders. ng spirals of copper ribbon, alternating with helices of insu-lated wire, and arranging themin the order shown in the figure,it is demonstrated that second-ary, or induced currents, pro-duce other induced currents ofthe second, third, fourth, andeven as high as the ninth order.At every… … ELECTRICITY. 409 Fig. 65. tity current, inducing a tertiary intense current in the second helix, L,which will be realized by grasping the handles, U and Y. 786. The properties of induced currents are the same asthose of other electrical currents. They produce violent shocks, givesparks, decompose…
Physics · Astronomy
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