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 204
n of thelines of force through the iron,core of the solenoid is the sameas their natural direction throughthe solenoid alone, so that all thelaws for polarity of the solenoidgiven under electromagnetism,Lesson XV, apply also to anelectromagnet. By applying theprinciple of the molecular theoryof… … Fig. 174.—Magnetic Field of a Solenoid and Core.Made with iron filings on a hori-zontal piece of cardboard. 186 PRACTICAL ELECTRICITY. the iron bar, causing them to change the relation of thehinternal magnetic circuits with respect to each other, thusproducing an external field near the ends of the…
Electricity · Magnetism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
