How to make smallest Electromagnetic Train in a wire coil

Monty4s
Monty4s
8.3 میلیون بار بازدید - 9 سال پیش - Instructions how to make very
Instructions how to make very small train from AAA battery and magnets, how to make copper wire coil with a simple tool. Main parts you need:
-Neodymium magnets size: 1/2" (13mm) diameter x 1/8" (3mm) thick
-AAA battery
- Ground metal rod 5/8" diameter or 1/2" copper pipe, any length.
-18 or 20 gauge uncoated (bare) copper wire, we used tin plated copper wire,
This was middle  school science project.
9 سال پیش در تاریخ 1394/03/04 منتشر شده است.
8,338,587 بـار بازدید شده
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