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An electronic device that supplies electrical energy to a load. It can be AC or DC input. Typically DC output.

26 votes
5 answers
4k views

Help with homemade electromagnet

Just for fun, I decided to build what I was hoping would be a relatively powerful electromagnet. I used this copper wire (20 AWG, entire 1 pound spool) and this soft iron core (0.5 in diameter, 6 in l …
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