Electrical instruments and testing; how to use the voltmeter, ohmmeter, ammeter, potentiometer, galvanometer, the Wheatstone bridge, and standard portable testing sets (1907)
Schneider, Norman H. (Norman Hugh), Hargrave, Jesse · New York, Spon & Chamberlain; [etc., etc.] · leaf 174
\\\\\\\\W\\v wwwwwvvA Fig. 86. The battery has been increased to six cells,therefore the constant is to be multiplied by 6and divided by the deflection obtained. CABLE TESTING. 151 … Fig. 87. 152 ELECTRICAL INSTRUMENTS. Owing to condenser action of the cable therewill be a rush of current into the cable at first.It will be well to shunt the galvanometer by the —— shunt until the charge of the cable is com-pleted. By using larger battery increased resistancesmay be measured.…
Electric testing · Electric apparatus and appliances
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