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This is called an elecro-magnet, and it is only magnetized while current is running through it.

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15y ago

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Can be produced by electric currents going around?

Sending electricity though a copper wire wrapped round an iron core will create an electro-magnet.


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When electric current is run through a solenoid coil that is wrapped around a chunk of iron?

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What does a electric wire wrapped around a nail cause?

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What Is formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic field?

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What type of magnet is a electromagnet?

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