what are materials that doesn’t not use electromagnetism​

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what are materials that doesn’t not use electromagnetism​

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Hải Đăng 2 weeks 2021-07-21T21:51:28+00:00 1 Answers 0 views 0

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    2021-07-21T21:53:22+00:00

    An aluminum bar, for example, is not a good choice for your magnet’s core.

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