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  1. oxeimon

    Soft Iron for an electromagnet

    I made a magnet, using 6 AA batteries in series and about 8 meters of 26 ga. magnet wire wrapped around a 8 cm diameter iron disc. I understand that you guys have said a horseshoe geometry was best for an electromagnet. However, I can barely pick up even 2 paperclips, which doesn't seem to make...
  2. oxeimon

    Soft Iron for an electromagnet

    If I wanted to make a really strong electromagnet, capable of holding up say, 100 kg, or around 200 lb, what kind of core geometry should I be going for? My piece of iron right now is a disk with radius 4cm and thickness 0.7 cm. Is that any good?
  3. oxeimon

    Soft Iron for an electromagnet

    Hey, I read somewhere that soft iron was the best to use in the core of an electromagnet. I found this disk-shaped piece of what seems like iron in the base of an old lamp. Its got a dark-silver metallic color, it's magnetic, and has a density of very roughly 8370 kg/m3(volume was measured by...

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