Dynamo-electricity: its generation, application, transmission, storage and measurement (1884)
Prescott, George B. (George Bartlett), 1830-1894 · New York, D. Appleton · leaf 812
und a ver-tical axis; the opposing force is the horizontal component ofthe earths magnetism. If the ring is in a horizontal position,B, the needle no longer leaves the meridian, but is merelyturned found a horizontal axis or dipped. The opposing force isnow the* vertical magnetic component of the… … Fig. 500. is prevented from exercising the dipping motion, the instrumentcan be used for the measurement of currents of widely differentstrengths by placing the ring for each current in such a positionthat the needle is deflected to that part of the scale where thereadings are most accurate, viz.,…
Electrical engineering
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