ampere-turn

[ am-peer-turn, am-peer- ]
/ ˈæm pɪərˌtɜrn, æmˈpɪər- /

noun Electricity.

one complete convolution of a conducting coil, through which one ampere of current passes.
the magnetomotive force produced by one ampere passing through one complete turn or convolution of a coil. Abbreviation: At

Origin of ampere-turn

First recorded in 1880–85

British Dictionary definitions for ampere-turn

ampere-turn

noun

a unit of magnetomotive force; the magnetomotive force produced by a current of 1 ampere passing through one complete turn of a coil. 1 ampere-turn is equivalent to 4π/10 or 1.257 gilberts Abbreviation: At, A