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Re: How is this possible? [message #44219 is a reply to message #44212]

Sat, 20 March 2004 22:29

Dean Kukral
Messages: 177
Registered: May 2009

Master

If I remember my physics [and it has been a long time :( ], I don't think that "Inductors are coils," is quite true. ("Coils are inductors," is correct.) Any time current flows into a wire, a magnetic field develops around the wire. The only difference between a straight wire and a curved wire is that the curved wire concentrates the magnetic field and provides mutual self-inductance to the wires which are now side by side.

That is why I said that I don't see how a changing current in a wire (or whatever they use?) can be a purely resistive load. Perhaps the inductance is considered negligible compared to that of a voice coil.

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[Message index]

		'Nother question By: BillEpstein on Sat, 20 March 2004 09:27
		Re: 'Nother question By: wunhuanglo on Sat, 20 March 2004 12:15
		How is this possible? By: Dean Kukral on Sat, 20 March 2004 12:43
		Re: How is this possible? By: wunhuanglo on Sat, 20 March 2004 13:21
		Re: How is this possible? By: Wayne Parham on Sat, 20 March 2004 21:27
		Re: How is this possible? By: Dean Kukral on Sat, 20 March 2004 22:29
		Re: How is this possible? By: Wayne Parham on Sat, 20 March 2004 22:46

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