International Library of Technology · Scranton, International Textbook Co. · leaf 206
that an instrument thus arranged would nie9,sure resistances 1640 ELECTRICAL- MEASUREMENTS. TT^TT of varying from 1,111 times the largest value of P tothe smallest value of P. For bridge measurements requiring a considerable degreeof accuracy, it is best to use a sensitive reflecting galva-nometer,… … Galv. FIG. 1004. arm N, A B C D to arm P, and x to the unknown resistance.K, K are the keys for closing the battery and galvanometercircuits, respectively. The number against each coil rep-resents the resistance of that coil. It will be seen that withthe resistances m. A B C D, ,a great number of…
Electrical engineering
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