Question

. A closed circuit consists of a steel spoon coiled with copper wire, when some allpins are brought near this spoon, the allpins get attracted due to​

Answer 1

Answer:

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Answer 2

Answer:

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

Explanation:

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