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 84
ctromotive force iscalled the volt, and is about the pressure set up by a Voltacell, so that if a cell has an E. M. F. of 1.4 volts we meanthat it possesses 1.4 times the force of a Volta cell, (ellsare, therefore, rated by their E. M. F. In ^[136 will befound a table of E. M. F.s of the different… … phuric acid. The silver or lead plate is covered with a fine, powdery deposit of platinum, which gives the surface a rough character, so that the hubbies of hydrogen will not readily adhere to it as they are formed, but rise to the surface of the solution. Another mechanical method to overcome…
Electricity · Magnetism
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