Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1903)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 187
eedle before itmoves at all. Whenthe needle is deflect-ed to 90 degrees,or at right anglesto the wire, it is inthe maximumposition of the cur-rents field. Thevalue of the deflec-tion is dependentupon the currentflowing through thecoil, but is not pro-portional to the current; that is, if one… … foS£<x*^j^*J0& ^OAX^vx^XU^UthJU/. Fig. 154. -Construction of Students DetectorGalvanometer. GALVANOMETERS. 163 it considerably, but as the angle the needle makes with thecoil increases, a much greater magnetic force is required.For example, it requires a greater force to deflect the…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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