Elementary treatise on electricity and magnetism : founded on Joubert's "Traité élémentaire d'électricité" (1909)
Foster, G. Carey (George Carey), Porter, Alfred William, 1863-1939, Joubert, Jules François · London : Longmans · leaf 448
rom this position, or when its axismakes an angle a with the meridian, themagnetic flux is iV= HS cos a. If 0) be the velocity of rotation, and 2the period, or the duration of one completerevolution, we have at time t, measuredfrom an instant at which the axis of the coil is in the meridian, a =… … FlG. 277. cosa j-rc, • da TTci • ± 2^ TTa • 27r^—— = HS sma = o)HS smwt = --„HS sm —-.dt dt T T The magnetic flux through the coil varies most rapidly when itsinstantaneous value is zero. this is when the plane of the coil is 425 426 SPECIAL CASES OF INDUCTION [328- parallel to the meridian, and…
Electricity · Magnetism
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