International Library of Technology · Scranton, International Textbook Co. · leaf 88
out from themagnet in every direction, above, below, and to both sides. MAGNETIC CIRCUITS. 2369. The lengtJi of a magnetic circuit represents theaverage lengths of all the lines of force measured fromwhere they pass out from the north pole along their circuitthrough the surrounding medium to where… … many of the lines of force will travel a long distance before entering the south pole. In a longer bar, however, bent into the shape of a horseshoe, thelines of force pass out from thenorth pole and enter the southpole immediately, thus makingthe average length of the mag-netic circuit…
Electrical engineering
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