The outlines of physics: an elementary text-book (1897)
Nichols, E. L. (Edward Leamington), 1854-1937 · New York, The Macmillan Company; London, Macmillan & Co., Ltd. · leaf 288
Fig. 234. Fig. 235. j^ ^^^ 235. (c) After the apparatus is dried, mount the coil with its axis hori-zontal, and the two platforms of cardboard also In a horizontal plane.Send the current through the coil, and strew filings upon the card-board. Note the tendency of the filings to arrange themselves… … MAGNETIC EFFECTS OF THE CURRENT 273 lines of force. This tendency may be increased by tapping the card-board. The arrangement wilUbe that shown in Fig. 236. Note thatall the lines of force appear to enter the mouth of the cylinder: inpoint of fact, if we were to trace thelines of force throughout,…
Physics
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