A dictionary of electrical words, terms and phrases (1898)
Houston, Edwin J. (Edwin James), 1847-1914 · New York, The W. J. Johnston company · leaf 430
of Fig. 451.A secondary battery S, has its terminals con- nected to the ends of a uniform wire A B, of highresistance called the potentiometer wire. Therewill, therefore, occur a regular drop or fall of po-tential along this wire, which, since the wire isuniform, will be equal per unit of length.… … Fig. 431. Potentiometer. tional to the drop of potential between the twopoints of the wire touched. If, now, the terminalsof a standard cell be inserted in the circuit o£the galvanometer, so as to oppose the currenttaken from the potentiometer wire, and the con-tacts of the potentiometer wire be…
Electricity · Electrical engineering
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