ID 138234224 © Bravissimos | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
attraction background bar bolts coil connection current demonstration density detail education educative electro experiment field filings flux force induction inductor iron laboratory learn learning lesson magnet magnetic magnetism metal metallic nobody north permanent physics polarized power school science scientific solenoid steel study technology transformer university winding