Henderson, C. Hanford (Charles Hanford), 1861-1941, Woodhull, John F. (John Francis), 1857-1941 · New York, D. Appleton and company · leaf 302
Fig. 189.- ELECTRIC CURRENTS 279 is found to inhere in the iron core of the field magnet.The field thus produced is very weak, but it is not withouteffect. When the armature rotates in this field, very feeblecurrents are set up. These pass into the external circuitand through the coils of the… … Galvanometer Fig. 190.—The dynamo. ening the magnetic field, which in turn induces strongercurrents in the armature. By this cumulative process thefield soon mounts to its maximum strength, and themachine generates a powerful current. The principle of the dynamo may be illustrated by Fig.190, which…
Physics
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
