Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 407
re in a coil about it.Connect one end of tlie wire withthe outer coating of a powerfully charged Leyden jar, and theother witli a discharger as shown in Fig. 481. Discharge thejar througli tlie wire. On testing the knitting needle witha magnetic compass it will be found to be magnetized.Evidently… … Fic. 481.—The pressiire of an electriccurrent, shown by its power to mag-netize steel. THE VOLTAIC CELL 397 coatings alino.st at once assuniino- the same potential. Inorder to prodnce a continuous current a constant differenceof potential must be maintained between the ends of theconductor. Iiiis…
Physics
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