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RE: Two statements in OP were left addressed.

The paragraph I quoted was mixed up to a certain extent. That paragraph was actually referring to the energy contained in e and B fields located outside the conductor. The Poynting vector energy flux points in the direction of free electron motion. Current and voltage are scalar quantities so they do not travel or have any direction. What does travel and have direction are the free electrons, the moving charges. Free electrons are physical entities whereas current and voltage are not. This will become important on discussions of directionality.


Edits: 11/07/22 11/07/22
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