Electricity and magnetism : an elementary text-book, theoretical and practical (1920)
Glazebrook, Richard, Sir, 1854-1935 · Cambridge : The University press · leaf 361
t. Then when the iron is in position the wholeeffect is due to its induced magnetisation. Again, it hasbeen assumed that the magnetising field is solely that dueto the current; but when the iron becomes magnetised thefield in its interior is in part due to its own magnetisationand thus part of the… … Fig. 218. Thus the magnetising field is not strictly that due to thecurrent, as has been assumed. The difficulty is met to someextent by making the rod long and thin. The arrangement of apparatus is shewn in Fig. 218, inwhich NS is the rod, CD the magnetising spiral, EFthecompensating coil, M the…
Electricity · Magnetism
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