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 181
iwill be attracted, and carryingthe cell with it, move along themagnet till it reaches the mid-dle point, or equator. Thefigure also illustrates the direc-tion of the currents and mag-nets magnetic lines. The lawsof attraction and repulsionshould be verified and sketches The tura lsacn0dn^e toVove?… … Fig. 143.—Testing the PolaritySingle Turn of Wire. of a ELECTRON A GNETISM. 163 handed. The polarity can be reversed by re-winding in theopposite direction and passing the current, as indicated inFig. 144, or by simply sending the current through the helixin the opposite direction.A solenoid is a…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
