what happens to the magnetic effect on an electromagnet when the electric current is switched off
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When the electric current is switched off, the coil generally loses its magnetism. Such coils are called electromagnets. The electromagnets can be made very strong and can lift very heavy loads. ... The electromagnets are also used to separate magnetic material from the junk.
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the magnetic field ruptures when electric current is switched off as electromagnet works only when electricity is passed through it...the strength of the magnetic field can be increased by increasing the flow of electricity passing through the electromagnet ...the uses of electromagnet are
-it is used to lift heavy load
-used to pick metal pieces from wounds
-used to seperate metals from non metals
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