For an imperfect conductor, when there is current, an electric field is set up inside the wire along the direction of the current flow, and is parallel to the wire.
If this is true, then what I don't understand is
boundary condition tells me the tangential E-field is always continuous, if there is no E-field outside the wire, how come there will be E-field inside the wire?
If this is true, then what I don't understand is
boundary condition tells me the tangential E-field is always continuous, if there is no E-field outside the wire, how come there will be E-field inside the wire?
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