Merchant, F. W. (Francis Walter), 1855-1937, Chant, Clarence Augustus, 1865-1956 · Toronto : Copp Clark · leaf 379
ds of the magnet, we findthat its iV^-pole now attracts the<S-pole of the needle but repels the iV-pole. We thus obtain the law:—Like niagaetic poles repel, unlikeattract each other. This experiment can be repeated with very simple means.Magnetize two sewing-needles by rubbing them, always in… … Fig. 446.—The i;-pole of one magnetattracts the A-pole of another. MAGNETIC SUBSTANCES 369 It is to be observed that uninagnetize<l iron or steel \\ill beattracted by both ends of a iiiaguet. It is only wlien bothbodies are magnetized that we can obtain repulsion. 426. Magnetic Substances. A…
Physics
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