ampere turn
/ˈæmpɪr tɜrn/
noun
- A unit of magnetomotive force equal to the product of one ampere of current and one turn of a coil.
- Engineers calculated the ampere-turns needed for the transformer design.
- The electromagnet required 500 ampere-turns to lift the steel beam.
- Increasing the number of coil turns raises the total ampere-turns.