Electrical machinery; a practical study course on installation, operation and maintenance (1921)
Annett, Fred Anzley · New York [etc.] McGraw-Hill book company · leaf 41
or carrying an electriccurrent. If a wire is placed through a hole in a piece of glass /0:vr<\ ^ ■■— V-- -- c -^;-- dFig. 26.—Illustrates how field builds up about a conductor as current increases. or cardl)oard, as shown in Fig. 27, and an electric current iscaused to flow through the wire,… … Fig. 27.—Showing magnetic field about a conductor with iron filings. surface. Placing a compass in various i)ositions as siiown.it will always point in a definite direction around the con-ductor. II will he ol)servc<L that the compass points in anopposite direction on op])osite sides of the…
Electric machinery
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
