electromagnet Definition
electro·mag·net (ē lek′trō mag′nit, i-; --trə-)
noun
a soft iron or steel core surrounded by a coil of wire, that temporarily becomes a magnet when an electric current flows through the wire
electromagnet Usage Examples
Converse of object
- use: A maglev is a high speed train which runs using a high power electromagnet, raising it from the track.
- rotate: Understand that electricity is generated by rotating an electromagnet within coils of wire.
- utilize: Effectively, TMS utilizes an electromagnet to cause a very temporary disruption in the firing of neurons at the site of stimulation.
- produce: American Joseph Henry produced the first electromagnet when he wrapped a coil of insulated electrical wire around a metal inner.
Adjective modifier
- large: As steel cans are attracted to a magnet they can easily be recovered in large volumes from domestic waste using large electromagnets.
- powerful: A powerful electromagnet causes the nuclei of atoms ( particularly hydrogen in water molecules ) to align magnetically.
- heavy: Part 1: Direct electric actions - Are heavy duty electromagnets sluggish?
- simple: Includes a fun, hands-on activity in which students will learn how to create their own simple electromagnet.
- strong: When placed between the poles of a strong electromagnet, diamagnetic materials are attracted toward regions where the magnetic field is weak.
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