The ampere, in practice often shortened to amp, (symbol: A) is a unit of electric current, or amount of electric charge per second. The ampere is an SI base unit, and is named after André-Marie Ampère, one of the main discoverers of electromagnetism.

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Created March 31, 2008 by Benjamin W. Sturtz
Last edit November 27, 2025 by Maintenance script
Cite as "Amperes". Appropedia. 2008–2025. Retrieved October 1, 2026.
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