Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 471
charge is multiplied very fast whenthe armature begins to revolve: the armatureincreasing it in the field-magnet, and the field-magnet in the armature, just as lighted shavingskindle other shavings, till, in a second or two,the full electric current is being generated. In order to make use of this… … FIG. 6. DIAGRAM TO EXPLAIN THE REVERSING OF THE CURRENT IN ARMATURES. again. And so, in order to keep it turning or re-volving, the force has to be continually supplied.But every time the poles reverse, a wave ofelectricity is generated in the coils; for electri-city is generated by magnetism in…
Children's literature
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