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ok. I am considering a totally STATIC situation. (A MAJOR shift in
calculations!)
And my question concerns CURRENT that is wrapped enclosed by an
amperian loop. The line integral of B around this loop is s'possed to
equal the current passing through the loop.
THIS consideration makes me scratch my head in responce to:
>The original question described a piecewise-uniform B-field.
>Uniform in one area and zero in another. There's nothing
>mutually-exclusive or inconsistent or unphysical about this.
the line integral of B around the given (amperian) loop is NOT zero
but there is also NO current 'penetrating' the loop!