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 294
ion comparable with only a small multipleof the dimensions of a molecule, its omission will not make anysensible difference in the calculated value of the field; at the sametime, it is clear that its omission is equivalent to leaving out ofconsideration the very moleciiles which must be most… … FiG. 172. mental methods remain as coarse as they are, the actual value isaltogether beyond our reach. 198. Magnetic Induction.—But, as we shall now proceed toshow, its average value over any cross-section, large compared withthe magnitude of a molecule though small compared with themagnet itself,…
Electricity · Magnetism
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