A text book of physics, for the use of students of science and engineering (1918)
Duncan, John, d. 1941, Starling, Sydney George, 1873- · London Macmillan · leaf 795
y do not adhere to it. Place it in a thinwire stirrup S (Fig. 708) supported by a single silk fibre. Note thatthe needle will remain in any direction in which it is placed. Now remove the needle and stroke it from one end to theother with the end of a bar magnet. Dipthe needle into iron filings; it… … Fig. 708.—Suspended magnetisedneedle. Magnetic poles.—On dipping a barmagnet into iron filings it is foundthat they adhere most freely at andnear the ends. These places are calledpoles. It was seen in Expt. 161 that themagnetised needle has poles, one at eachend. If the end which points to thenorth…
Physics
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