Lessons in practical electricity; principles, experiments, and arithmetical problems; over four hundred illustrations; an elementary text book (1909)
Swoope, C. Walton (Coates Walton), d. 1901 · New York, D. Van Nostrand company · leaf 80
all particles of carbon, iron. tin. lead, etc., andwhen a rod of such zinc is placed in a cell theseforeign particles form numerous local voltaic cells onthe surface of the zinc inside the cell, with the resultthat the zinc is being continuously eaten away, Fig. 77.whether the cell is in action or… … 62 PRACTICAL ELECTRICITY. would flow from the iron to the zinc through the solution andfrom the zinc to the iron across the junction. This is knownas local action. In some cells local action is also caused bya difference in the density of the liquid at various parts oithe cell. In this case the…
Electricity · Magnetism
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