The ampere (symbol: A), often shortened to “amp“, is the base unit of electric current in the International System of Units (SI) used to measure of the rate of electron flow or current in an electrical conductor. It is named after André-Marie Ampère (1775–1836), French mathematician and physicist, considered the father of electrodynamics. One ampere of current represents one coulomb of electrical charge (6.24 x 1018 charge carriers) moving past a specific point in one second.

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  • Ampacity
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