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29 October, 20:00

What do you need to create an electromagnet

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  1. 29 October, 20:01
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    Could you be a bit more specific about what you want to know? electromagnets vary in their complexity.

    The simplest electromagnet might be a big steel nail wound with 100 or so turns of insulated copper wire, with 2 leads in the finished product. If you pass a small current through the wire, the nail acts like a magnet and may pick up small steel or iron items.
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