A text-book of physics : with sections on the application of physics to physiology and medicine (1902)
Lehfeldt, Robert Alfred, 1868-1927 · London : E. Arnold · leaf 262
is evi-dent that the posi-tive and negativecharges on the platesor balls attract eachother. On the otherhand, if two conduc-tors, both charged with the same kind of electricity (e. g. two balls connected tothe same pole of a battery), be placed near together, there isa repulsion between them (Fig.… … Fig. 91
Physics
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