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10-12-2022
Physics

Answered

which of the following statement is true about electromagnets 1]in these magnets permanent magnet are used 2)these magnets are permanent magnet 3)natural magnet are more powerful than electromagnets 4)these magnet work only when electric current passed through them

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Which of the following best describes an electromagnet? Need a Hint? A) permanent magnet B) insensitive to electrical currents C) unchanging magnetic properties

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