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.
Kiloampere
The kiloampere (symbol: kA) is equal to 1,000 amperes. It is used in high-power electrical systems such as industrial furnaces, lightning measurements, and large electromagnets.
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