International Library of Technology · Scranton, International Textbook Co. · leaf 249
1684 ELECTRICAL MEASUREMENTS. measured by the voltmeter V. As the drop through ashort section of copper rod would be very slight, except withan enormous current, a voltmeter capable of measuringvery small differences of potential must be used. They maybe had to measure from 0 to ,05 volt, such an…
Electrical engineering
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