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 358
Fig. 29. Diagram of Coils in Kelvin Balance thus weighed, and the square of the current is proportional to thedistance the weight is moved along the beam. The beam is dividedinto many equal parts and it is possible to obtain readings with ahigh degree of accuracy. The current is proportional to the… … magnetic field or any other outside field of fairly uniform intensity; the effect on one coil being neutralized by the same effect on the coil on the opposite arm of the balance. Dynamometer Precision Instruments. Ammeters and Jolt- meters. The electrodynamometer type of instrument is well…
Electrical engineering
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