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Dear all.
I'm not sure my question fits in this forum. If
not, the moderator may remove it. My question is:
I have no knowledge about electro magnets but I
want to design an electro magnet that operates without an iron (or any magnetic
material) core. I hope that is possible. As power I have 3 Volt,3.6
Watt (from a bicycle dynamo). How do I calculate the strongest electro magnet
(wire thickness, coil diameter, coil size, number of turns).
Thanks in advance.
Eric Vogels.
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