Experimental science. Elementary, practical and experimental physics (1890)
Hopkins, George M. (George Milton), 1842-1902 · New York, Munn & co. · leaf 376
d by induction to such an extent asto support a nail. The N pole of the magnet produces Spolarity in the end of the soft iron bar adjacent to it and Npolarity in the opposite end. The S end of another per- MAGNETISM. 353 manent magnet presented to the same end of the iron barwill produce exactly… … Neutral Point between Unlike Poles. contact with the N pole of a magnet and the S pole of anothermagnet is brought into contact with the opposite end of thebar, as shown in Fig. 338. The nail will adhere to the barwhen either magnet alone is in contact with the bar; butwhen dissimilar poles are…
Physics · Lantern projection · Electric apparatus and appliances
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