Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 334
the coil andtravelling outwards gradually curve round and enter theother face of the coil. In this they resemble the lines ofibrce from a magnet which start outwards from the northpole and passing round enter again at the south pole. 21—2 324 ELECTRICITY [CH. XX It must be remembered in these and… … Fig. 191. We may shew as the result both of theory and experimentthat if the coil be small the distribution of magnetic forceat some distance away is the same as that due to a smallmagnet placed with its centre at the centre of the coil and itsaxis at right angles to the plane of the coil. Moreover…
Electricity · Magnetism
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