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OpenStudy (anonymous):
an electromagnet is a what magnet?
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OpenStudy (anonymous):
An electromagnet is a magnet that runs on electricity. So basically they're one of the most powerful magnets in the world.
OpenStudy (ghazi):
electromagnet is a magnet wherein magnetic field is generated by flow of current, just wrap a piece of copper wire around magnetic material and pass the current , your electromagnet is ready
OpenStudy (anonymous):
is a temporary magnet?
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