A dictionary of electrical words, terms and phrases (1896)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W.J. Johnston company · leaf 240
ossesses the same num-ber of lines of force per square centimetre of areaof cross-section. Field, Magnetic, Alternating The magnetic field produced by means of analternating current. A field whose lines of force are not symmet-rically distributed in adjacent halves. Field, Magnetic, Expanding of An… … Fig. 251. Field of Current. cuit through which an electric current is flow-ing. An electric current produces a magnetic field.This was discovered by Oerstedin 1819, and may be shown bysprinkling iron filings on a sheetof paper, placed on the wireconductor conveying the cur-rent, at right angles to…
Electricity · Electrical engineering
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