Elementary treatise on electricity and magnetism : (1905)
Foster, G. C. (George Carey), 1835-1919, Joubert, J. (Jules François), 1834-1910, Porter, Alfred W. (Alfred William), 1863-1939 · London ; New York ; Bombay : Longmans, Green, and Co. · leaf 299
-crease causes a further divergenceof the lines of induction. . 201. Susceptibility. Per-meability.—We have seen thatiron and other magnetic bodiesbecome magnetised when placedin a magnetic field ; it is furtherfound experimentally that theintensity of magnetisation pro-dvxced depends upon the… … INDUCTION \ POLAR-HELD I Fig. 174.Thus if A is the magnetisation and F the field. A The equation for the magnetic induction may now be writtenB = F + Air A = (1 -F iwK) F. The factor (1 -f 47rK), which expressesthe relation between the induction and the field, is called themagnetic permeahility of…
Electricity · Magnetism
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