electromagnet

Noun
  1. A temporary magnet made by coiling wire around an iron core;
    When current flows in the coil the iron becomes a magnet (synset 103281090)
    is a type of: magnet - (physics) a device that attracts iron and produces a magnetic field
    subtypes: magnetic head - an electromagnet (as on a tape recorder) that converts electrical variations into magnetic variations that can be stored on a surface and later retrieved
    has: armature - coil in which voltage is induced by motion through a magnetic field
    is a part of:
    • electric bell - a bell activated by the magnetic effect of an electric current
    • electrical relay, relay - electrical device such that current flowing through it in one circuit can switch on and off a current in a second circuit

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