Publisher's Synopsis
Excerpt from The Theory and Practice of Absolute Measurements in Electricity and Magnetism, Vol. 2 of 2
The voltmeter has its terminals attached to those of the resist ance through which the current is ?owing; or, ii' the standard measuring instrument is sensitive enough, the measured current is sent through the voltmeter itself; and readings of needle or other indicator are taken. In either case the readings are ro portional to the difference of potential between the termina s of the instrument, but in the former arrangement the difference of potential is equal, in volts, to the current in amperes ?owing through the resistance multi lied by the value of the resistance in ohms, in the hitter the ditiirence of potential is equal to the measured current through the voltmeter into the resistance between its terminals.
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