International Library of Technology · Scranton, International Textbook Co. · leaf 233
of apparatus. Con-nect this in the place of the unknown resistance Jf, Fig.1018. Use the 1-ohm coil for the known resistance andmeasure the resistance of the wire. (a) What is the resistance per foot of the wire ? (/?) Assuming it to be pure annealed copper, what isthe diameter of the wire,… … Fig. 1019. the galvanometer takes the place of the unknown resistance,and a plain wire of the galvanometer circuit, in the ordinarymethod of connection. (Fig. 1018.) 1668 ELECTRICAL MEASUREMENTS. When the connections are made, a current will flowthrough the galvanometer, giving a certain…
Electrical engineering
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