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|Standard:||SI base unit|
|Named after:||André-Marie Ampère|
The ampere or amp (Symbol: A) is the standard unit of electric current. An electric current of one amp is one coulomb per second. The amp is named after André-Marie Ampère who studied electromagnetism.
- The NIST Reference on Constants, Units, and Uncertainty
- A short history of the SI units in electricity Archived 2002-02-14 at the Wayback Machine