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 350
reasing current inany circuit we consider electric oscillations of very highrapidity, as the discharge of an induction coil, then part ofthe energy of the magnetic field is radiated off into space inall directions as electromagnetic waves corresponding to theripples on the surface of a pond when a… … gj^> 1 ZZZZ Sounder T Qofrbj) J b) Bel»y W l
Electricity · Magnetism
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