1. electro-magnet, polarized An electro-magnet consisting of a polarized or permanently magnetized corewound with magnetizing coils, or with such coils on soft iron cores mounted on its ends. The coils may be wound and connected so as to cooperate with or work against the permanentmagnet on which it is mounted. In Hughes' magnet shown in the cut it is mounted in opposition, so that an exceedingly feeble currentwill act to displace the armature, a, which is pulled away from the magnet by a spring, s.
Definitions of electro-magnet, polarized
