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Home  Magnetic Fields and Electromotive Force The Ampere |
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The AmpereAuthor: E.E. Kimberly
In the centimeter-gram-second (cgs) system of units, electric current is measured in abamperes. The ampere is the practical unit of current and is equal to one-tenth of an abampere. The ampere may also be defined as that constant current which, when passed through a standard solution of nitrate of silver in water, deposits silver at a rate of 0.001118 gram per second. Also the current is said to be 1 ampere when the rate of electron flow is 6.28
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1018 electrons per second.