News post & update: eleccircuit.com |  |
| First times electromagnet learning for my son Posted: 20 Apr 2015 01:38 AM PDT My son like to play the magnet a lot like general children. And He read science books Found content with magnetic. He read science books Found content with magnetic. We take the 24 SWG Coated copper wires turns on the diameter core of about 5mm screws is about 100 turns. Then we scrape the insulated […]  |
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