Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 382
le at several points, as well as a lineof force extending from one pole to the other. Another way to map the field is by means of iron tilings.This is very simple and very effective. Place a sheet of paperover the magnet, and I sift from a muslin bagiron filings evenly andth i nly over it. Tap… … FiQ. 451.— Field of force of a bar-majjnet. while Fig. 452 shows it about similar poles of two bar-magnets standing on end. The magnetic force,as we have seen, isgreatest in the neigh-bourhood of the poles,and here the curvesshown by the filingsare closest together.Thus the direction ofthe curves…
Physics
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