Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 257
entin the circuit, or the current through the voltmeter, but thedifference in pressure between the voltmeter terminals. Themovement of its magnetic system, of course, depends uponthe current flowing through the voltmeter, but the scale iscalibrated by applying known E. M. F.s to its terminals… … shunt, and the instrument measures the current. A voltmetermeasures the current flowing through it, but the calibration isin term* of the pressure causing this current to flow. See Exp. 57,11182. 234. Construction of Voltmeters.—The same principlesemployed in the construction of ammeters, 1[ 204,…
Electricity · Magnetism
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