magnet wire is coated with some red fancy insulation. Is that just an enamel? If so, enamel coated copper wire & magnet wire would be the same thing. I want to build a loudspeaker. This what I need? Are the coils used in loudspeakers the same ones used in inductor coils? One interesting question, price of enameled copper wire for electric iron When Faraday was experimenting with the effects of magnetism on electricity, how in the hell did he figure out the magnetic field increased with the number of turns of copper in his coils! I'm only assuming Faraday didn't have insulated copper wires. "enamel coated copper wire & magnet wire would be the same thing." - They are glass-fiber covered aluminum wire for Electrical Instrument "This what I need?" - Yes "Are the coils used in loudspeakers the same ones used in inductor coils?" - Same principle, different design. The coil in a speaker is an air-wound coil designed to maximise the amount of wire that's sitting in the magnetic field. The ones in induction coils are usually designed to maximise the inductance in a small a space as possible, so they are wound on ferrite or iron cores. I think Faraday's thought process probably went something like "I wonder what will happen if I put a lot of turns in the coil. If I use uninsulated wire it will short out, so I'd better insulate it." buy magnet wire south africa They didn't make him a Fellow of the Royal Society for nothing. He used cotton insulation. Some of his equipment still exists, and still works.
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