Elementary treatise on physics, experimental and applied : for the use of colleges and schools (1906)
Ganot, A. (Adolphe), 1804-1887, Atkinson, Edmund, 1831-1901, Reinold, A. W. (Arnold William), 1843-1921 · New York : Wood · leaf 882
.The lines of force in the magneticfield due to the straight horizontalcurrent are vertical circles perpendi-cular to the plane of the paper. Thered pole of the needle is urged alongthe line of force which passes throughit in one direction : the blue pole similarly in the opposite direction. Butfor… … Fig. 824 -837] Tangent Galvanometer 857 836. Magfnetic field due to a current in a circular wire.—In the case inwhich the wire is not straight the lines offeree will not be exact circles. Ifthe conductor is a circular ring the system of lines will be as shown infig. 824, in which a and a are…
Physics
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