Ampere
A.-M. Ampère
The ampere (A) is the unit of electrical
current (I).
The unit is named after the French physicist and mathematician
André-Marie Ampère (1775 - 1836).
The ampere (A) is defined by fixing the
electron charge e to be
1.602176634×10-19 C (= A·s), where
second is defined by the
atomic clock.
Related units