Question

How are electromagnets used at junkyards?

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Answer 1

Answer:

Wrecking yards employ extremely powerful electromagnets to divide ferrous recyclables from non-ferrous materials, and move those scrap metals or even entire cars from one place to another. This creates a magnetic field around the coiled wire, magnetizing the metal as if it were a permanent magnet.

Explanation:

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Answer 2

Answer:

at junkyard some metal pieces are mixed with junk . so, to separate them electromagnet are used