what is electro magnets define
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An electromagnet is a magnet that runs on electricity. Unlike a permanent magnet, the strength of an electromagnet can easily be changed by changing the amount of electric current that flows through it. ... An electromagnet works because an electric current produces a magnetic field.
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electromagnet r substances which do not possess any magnetic properties but r turned into one with d help of electric field... due to which it turns into a solenoid...
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