this post was submitted on 08 Jul 2023
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I tried to make an electromagnet at home but when I connect the two copper wires to a 1.5V battery it keeps short circuiting and heating up. Also it doesn't attract other nails. (lemmy.world)
submitted 2 years ago by SzuperTNTAkos@lemmy.world to c/askelectronics@discuss.tchncs.de
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This is my electromagnet.

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[โ€“] nothacking@discuss.tchncs.de 2 points 2 years ago

Without insulation on the wire, the turns are shorted to each other and the nail.

[โ€“] ThankYouVeryMuch@kbin.social 1 points 2 years ago

You need your wire to be isolated, and many more turns