Hobart, H. M. (Henry Metcalf), 1868-1946 ed · Philadelphia, J. B. Lippincott · leaf 111
Positive, the plate in a cell fromwhich positive electricity flows to the outercircuit. In primary cells it is usually ofcopper, carbon, or platinum. In the leadaccumulator or secondary cell it is the highly-oxidised, plum-coloured plate. See also Ac-cumulator Plates. Plate Coupling, a rigid… … Plate Coupling Plates, Accumulator. See Accumu-lator Plates. Plates, Core. See Core Disks. Plates, End. See End Plates. Platinoid, an alloy widely used as a re-sistance material. Its resistivity varies withits exact composition from 32 to 50 microhmsper em cube, and its coefficient of increaseof…
Electrical engineering
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