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Re: Gauss' law and displacement current



Make the loop polygonal (piecewise straight) if straightness is important
to you. The same argument applies.

If (as I think you are proposing) the E field accompanying the changing
magnetic flux is everywhere azimuthal ("circular") in direction, it will
drive charge carriers into the sides of any straight wire. A static surface
charge will build up so that the NET field drives the current along the
straight wire.

Bob Sciamanda (W3NLV)
Physics, Edinboro Univ of PA (em)
trebor@velocity.net
www.velocity.net/~trebor