noun (Electrical engineering: Electrical power) Magnetomotive force is the force that sets up a magnetic field within and around an object. ⇒ The duration of each positive and negative voltage is controlled so as to provide alternating positive and negative peaks of current excitation or magnetomotive force of uniformly equal amplitudes. ⇒ The unit of magnetomotive force is the ampere-turn, represented by a steady, direct electric current of one ampere flowing in a single-turn loop of electrically conducting material in a vacuum. ⇒ Magnetomotive force is the force that sets up a magnetic field within and around an object.
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