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 301
wo parts of the same circuit, 2. Two WIRES CROSSING EACHOTHER AT AN ANGLE ATTRACTEACH OTHER IF THE CURRENTSIN EACH OF THEM FLOW EITHERTOWARD THE POINT OF CROSS-ING OR AWAY FROM IT ; BUTTHEY REPEL EACH OTHER WHENTHE CURRENT FLOWS TOWARDIT IN ONE WIRE AND AWAYFROM IT IN THE OTHER. See Fig. 248 and… … Fig. 249.—The Movable Coil (AB)May be Attracted or Repelledby the Stationary Coil (CD). 3. The force between two parallel currents is propor-tional TO THE PRODUCT OF THE CURRENT STRENGTHS AND TOTHE length OF THE WIRES CONSIDERED, AND VARIES INVERSELY ELECTROD YNAMICS. 283 AS THE DISTANCE BETWEEN…
Electricity · Magnetism
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