Electric transmission of energy and its transformation, subdivision, and distribution. A practical handbook (1894)
Kapp, Gisbert, 1852-1922 · New York, Van Nostrand · leaf 52
otal number of lines would evidently be4 TT, and thus we find a second definition for unit poleas a pole of such strength that 4 tt unit lines of forceemanate from it. This definition is evidently identicalwith the following: Unit pole produces unit intensity ojfield at unit distance. Up to the… … brought into a magnetic field. Experimental facts formnow, as before, the basis of our investigation. Let, inFig. 5, a be the cross-section of a wire passing verticallythrough the surface of the paper, and assume that acurrent is flowing down the wire. If we sprinkle ironfilings on to the paper…
Electric power production
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