Abstract
THE experimental facts about the action of electric currents on charges may be represented, with some mnemonic advantage, by the accompanying diagram. C is a current of electrons, e a single electron in or out of a metal, m its direction of motion (which may be all round the clock), f the direction of the force on it due to C, when C is steady. When C is accelerating, e experiences a force in the same direction as if it were moving towards C.
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References
Cullwick, E. G., "The Fundamentals of Electromagnetism" (Cambridge, 1939), p. 83.
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HAFFIELD, H. A Relation between ‘Motional’ and ‘Transformer’ Induction. Nature 148, 197–198 (1941). https://doi.org/10.1038/148197a0
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DOI: https://doi.org/10.1038/148197a0
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