[Phys-L] Subject changed magnetostatic problem Was: Re: amusing electrostatics exercise

[Bernard Cleyet <bernardcleyet@redshift.com>]

On 2013, Feb 28, , at 19:43, Bruce Sherwood <Bruce_Sherwood@ncsu.edu> wrote:

> Perhaps I've lost track of what is meant by "two skinny wires". My own
> analysis was to calculate at an arbitrary location in space the field that
> would be produced by a solid wire, and the field that would be produced
> instead by a wire whose diameter is the same as that of the hole and which
> carries current in the opposite direction. The currents for these two
> different current distributions are adjusted appropriately so that the
> vector sum of the two calculated fields is equal to the field at that
> location in space for the actual wire that has a (longitudinal) hole in it.
> Since the sources are the same, the field must be the same, at all
> locations in space. No?
> _____________________

My assumption -- now as one has suggested for possibly a different configuration,  is the field inside the wire the same for the two cases?

bc's intuition says yes.



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