St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 106
Fig. 141. Fig. 142. and moving H rapidly toward it. In this case H wouldrepresent the armature and E the field-magnet. WhenH is moved toward E, the induced current in H flows inone diredtion, and when H is suddenljr withdrawn from ELECTRICITY GENERATED BY DYNAMOS. 103 (See Study, Chapter … E the current is reversed in H.XXV., for experiments.) 128. Induced Currentsby Rotary Motion. The motions of the coils instraight lines are not suit-able for producing currentsstrong enough for com-mercial purposes. In orderto generate currents ofconsiderable strength andpressure, the coils of…
Electricity
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