solenoid
noun
Definitions
A coil of wire that acts as a magnet when an electric current flows through it.
A mechanical switch consisting of such a coil containing a metal core, the movement of which is controlled by the current.
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Definitions
A coil of wire that acts as a magnet when an electric current flows through it.
A mechanical switch consisting of such a coil containing a metal core, the movement of which is controlled by the current.