Electricity simplified. The practice and theory of electricity .. (1891)
Sloane, T. O'Conor (Thomas O'Conor), 1851-1940 · New York, N. W. Henley & co. · leaf 89
CTRICITY SIMPLIFIED. lating in the direction of the hands of a clock if onefaces the south pole or negative end. As a perma-nent magnet is not a seat of energy but of force, onlythe currents may be supposed to virtually consist ofan aggregation of molecular whirls in circuits of noresistance, and… … Fig. 20.—North and South Poles of a Magnet to Illustrate AmperesTheory. Two currents going in the same direction tend toplace themselves parallel. The earths polarity bythe Amperean theory is accounted for by assuming itto be girdled by electric currents approximately inplanes parallel to the…
Electricity
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