Practical electricity, with questions and answers (1901)
Cleveland armature works, [from old catalog] comp, Lincoln, John C. [from old catalog] · [Cleveland, Ohio, Cleveland armature works] · leaf 63
h means are necessary. Fig. 25 shows the same machine as Fig. 24, except thatthe armature is driven in the opposite direction by me-chanical powder. We have the north pole at the top andthe current tending to flow through the ware in the samedirection as in Fig. 24. There will be a drag on each… … Figure 25 Motion of a wire in a magnetic field and theresulting current. Since there is the same mechanical drag in each wirein the upper air gap and an equal mechanical drag in theopposite direction in each w^ire in the lower air gap, it re-quires a mechanical torque or twisting effort on the…
Electricity · Electric generators
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