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electromagnet
[ ih-lek-troh-mag-nit ]
noun
- a device consisting of an iron or steel core that is magnetized by electric current in a coil that surrounds it.
electromagnet
/ ɪˌlɛktrəʊˈmæɡnɪt /
noun
- a magnet consisting of an iron or steel core wound with a coil of wire, through which a current is passed
electromagnet
/ ĭ-lĕk′trō-măg′nĭt /
- A device consisting of a coil of insulated wire wrapped around an iron core that becomes magnetized when an electric current flows through the wire. Electromagnets are used to convert electrical control signals into mechanical movements.
- See Note at magnetism
Word History and Origins
Origin of electromagnet1
Example Sentences
Rather than using a beam of light to probe a sample, electron microscopes use a beam of electrons, focused by electromagnets.
And because, according to the basic laws of physics, a circulating current always generates a magnetic field, the graphene disks mutated into tiny electromagnets.
It turns the neutron star into an extremely strong electromagnet.
She steals an electromagnet from the junkyard in order to snag a meteor out of the sky during a shower, for vaguely nefarious power-mad reasons.
To generate the field, a standard scanner employs a large, powerful superconducting electromagnet that pushes a machine’s cost to $1.5 million or more, pricing MRI out of reach of 70% of the world’s population.
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