The ampere (symbol: A) is the SI base unit of electric current. It is defined as the flow of exactly 6.241509074×10¹⁸ elementary charges per second. Named after André-Marie Ampère, it is one of the seven SI base units.
Abampere
The abampere (symbol: abA), also called the biot, is the CGS-EMU unit of electric current. One abampere equals 10 amperes. It is defined as the current that produces a force of 2 dynes per centimetre between two parallel conductors 1 cm apart.
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