St. John, Thomas M. (Thomas Matthew), b. 1865 · New York, T. M. St. John · leaf 150
Fig. 224. strong magnetic field, a current of elecflricity is generated.We have now to deal with the opposite of this ; that is,we are to study how motioti can be produced by allowing … Fig. 225. a current of eledtricit} to pass through the armature of amachine. 147 148 THE ELECTRIC MOTOR, AND HOW IT WORKS. Fig. 224 shows, by diagram, a coil H, suspended sothat it can move easily, its ends being joined to a cur-rent reverser, and this, in turn, to a dry cell DC. Amagnet, H M, will…
Electricity
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