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 340
nal totheir conductivities, /.^.,^ ^^^ . inversely proportional to their resistances. Thus, if r be a wire of 2 ohms re-sistance and / 3 ohms, then current in r: current in/ r=^ r^ir= 3:2,or, -I of the whole current will flow through r, and f ofthe whote current through /. The joint resistance of… … CHAP. VI.] ELECTRICITY AND MAGNETISM. 315 separate conductivities. And if we call the joint resistance R. it follows that I ^ I , £ _ r -^ r^^ r r rr y whence R = -r—^ or, in words, the joint resistance of a divided condtcctor is eqtial to the prodtictof the two separate resistances divided by…
Electricity · Magnetism
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