Electricians' operating and testing manual; a hand book for men in charge of electrical apparatus, repair men, trouble men, lamp trimmers, and electricians generally (1916)
Horstmann, Henry Charles, Tousley, Victor Hugo, 1875- joint author · Chicago, F.J. Drake & co · leaf 47
nes of force.We can see by an inspection of Figure 25 that therate of cutting lines of force is not uniform, for at 1,for an instant the wire is moving practically parallel Figure 25 to them and is not cutting any. Also during % ^^one revolution from 1 to 2 it is not cutting nearly asmany lines as… … Figure 26 gradually to fall until 1 is at 1^ when it is again atzero. When 1 has passed the point now occupied by11 the E.M.F. again begins to rise but in the oppositedirection, for the lines of force are now being cut inthe opposite direction. The rise and fall of E.M.F.or current in an armature…
Electrical engineering · Electric testing
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