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 63
is to unite chemically with the hydro-gen as fast as it is formed at the positiveplate, thus preventing its accumulation uponthis plate.* Such a cell has the high E. M. F.of 2.1 volts. Its internal resistance is low,from .2 to .5 ohm, since the plates are gener-ally large and close together. It… … Fig. 47. Bichromate Cell. * To set up a bichromate cell, dissolve 12 parts, by weight, of sodium bichromate lo180 parts of boiliug water. After cooling, add 25 parts of commercial sulphuric acid. 51 42 ELECTRICITY AND MAGNETISM acid with the bichromate attacks the zinc even when the circuit is…
Electrical engineering
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