Source: wikibot/ampere-turn
= Ampere-turn
{wiki=Ampere-turn}
An Ampere-turn (At) is a unit of measurement used to quantify the magnetomotive force (MMF) in a magnetic circuit. It represents the magnetic influence produced by an electric current flowing through a coil of wire. Specifically, one Ampere-turn is defined as the product of the current in amperes flowing through the coil and the number of turns of the coil.