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 159
e but very much lessthan the previous ones. And this last operationbeing repeated, decreasing deflections will be noted. *35 136 ELECTRICAL INSTRUMENTS. If K be depressed for varying intervals of timeand released the deflections will also vary. It takes a certain length of time to charge… … Fig. 82. the Kempe key, and the front contact the lower con-tact of the Kempe key. The capacity of the condenser is measured bythe extent of the deflection upon first short cir-cuiting it through the galvanometer. This is truewhen battery power and other conditions areequal. If the discharge of C…
Electric testing · Electric apparatus and appliances
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