Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 399
tery and the fallin potential in the wire between the points N and y are in opposition,no current will flow through the galvanometer, as the two potentialsare equal. If this point is found to be 10 units of length from N andthe difference of potential in this section is 1.0183 volts, then x,… … Fig. 68. Standard PotentiometerCourtesy of Leeds and Northrup Company Fig. 69. The essential part of the instrument consists of fifteen5-ohm coils A D which are adjusted to equality to a high degree ofaccuracy, connected in series, and having in series with them anextended wire D B, the resistance…
Electrical engineering
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