Question

For a permanent electromagnet, which substance is used as a core.
please fast my exam is going on ​please pl​

Answer 1

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The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet.

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Answer 2

Answer:

The wire turns are often wound around a magnetic core made from a ferromagnetic or ferrimagnetic material such as iron; the magnetic core concentrates the magnetic flux and makes a more powerful magnet.

Hope It Helps ya !!❤