Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 143
Fig. 861. as to produce no external field, the assemblage is like a pieceof soft iron. All these changes can go on under the mutualmagnetic forces between the molecules ; the assumption of aforce arising from friction or some similar action tending tohold them in their positions is not needed. … )U^i^i.:.^:i^X i.-:i^n iv,.uii.-.s^i^fti£3f^t[:iV Fig. 871. 1 Thesp Figures are taken by the authors kind permission fromWatsonB Text-book of Physics. Longmans. 134 MAGNETISM [CH. IX We may also examine the action of a number of smallmagnets by tracing by means of iron filings the lines of…
Electricity · Magnetism
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