Elementary lessons in electricity and magnetism (1906)
Thompson, Silvanus P. (Silvanus Phillips), 1851-1916, Schwetzky, Otto H. L. [from old catalog] · Chicago, Thompson & Thomas · leaf 113
96 ELEMENTARY LESSONS OH [cHAK It (by the law of inverse squares) be proportional to nr:A2 > ^^^ ^^^ attraction will be proportional to rr^oK-^ **/ (A p)^ Hence the bit of iron a b will experience a pair of forces,turning it into a certain direction, and also a total forcedrawing it bodily…
Electricity · Magnetism
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