Re: Mechanisms of Induction
- From: Benj <bjacoby@xxxxxxxxxxx>
- Date: Mon, 22 Sep 2008 17:51:24 -0700 (PDT)
On Sep 22, 7:40 pm, xray4abc <lemhen...@xxxxxxxx> wrote:
It refers to a possible mechanism of electromagnetic induction
in electric conductors.
I think that I might be able to show that electromagnetic induction
in conductors is mainly based on Lorentz forces in *all* cases.
I hope you have figured out something that works! I tried this and I
thought I had something but in the end it didn't work. I imagined (as
have many before us) that perhaps a current in a wire "throws out" a
magnetic field as the current is increasing. Say for example that the
diameter of the magnetic field being "thrown out" at the speed of
light increases as the source current increases. Then if you look out
parallel to that wire you find the magnetic field with a relative
motion radially to the wire. B is of course tangent to a circle around
the wire so VxB is in the right direction for induction!
But here's the fly in the ointment: induction ALSO takes place in a
straight line DOWN the source wire. According to Biot-Savart the
created B field is zero on that axis! Hence I could find no sensible
way to devise a relative motion that could explain induction down a
straight wire with Lorentz forces!
Once you get it all figured out, we'd love to hear your ideas!
.
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