Lessons in practical electricity; principles, experiments, and arithmetical problems, an elementary text-book (1902)
Swoope, Coates Walton. [from old catalog] · New York, D. Van Nostrand company · leaf 213
gJW ^gg^ / rp Magnetising Force (56). 198. Reluctance.—The magnetising force or magnetomotiveforce, as it is called, is the force set up by the ampere-turns,w^hich drives the magnetic lines, or magnetic flux, through themagnetic circuit, just as an electromotive force causes a currentof electricity… … ing force before induction is iuA^oked. The number or densityof lines of force per square inch of the circuit is called theinduction per square inch and corresponds with the currentin an electric circuit. It depends upon the magnetisingforce and reluctance. The length ofthe magnetic circuit in Fig.…
Electricity · Magnetism
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