An elementary book on electricity and magnetism and their applications (1919)
Jackson, Dugald C. (Dugald Caleb), 1865-1951, Jackson, John Price, b. 1868, Black, Newton Henry, b. 1874 · New York, The Macmillian Co · leaf 223
l this line voltageE and the resistance of the instrument Rv. Then connectthe frame of the machine with one side of the line and thecommutator in series with the voltmeter to the other side ofthe line, as shown in figure 128. Call e the reading of thevoltmeter in this position, which shows the… … Generator ELECTRIC MEASUREMENTS 195 the resistances are proportional to the voltages across each. That is, Insulation resistance _ Voltage across insulationVoltmeter resistance Voltage across voltmeter Let X = insulation resistance, then we have X E-e Rv eand For example, a voltmeter has a…
Electricity · Magnetism
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
