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OpenStudy (anonymous):
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OpenStudy (flacalol):
A soft metal core made into a magnet by the passage of electric current through a coil surrounding it. thts the definition hope it helps ;)
OpenStudy (koikkara):
In case of electromagnets ,these work based on the electron conduction.Thus, It only operates when the current is on. when current is off it just remains a solid piece of Metal.
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