Misconceptions in Deriving the Poynting Vector: History and Physics

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Derives the Poynting vector carefully and flags the textbook misconceptions about where energy flows in circuits, with Poynting's and Heaviside's own reasoning in an hour-long history-and-physics lesson.

Common misconceptions in deriving the Poynting vector, with history.

Science & Math History Lectures

Video by Kathy Loves Physics, played through YouTube's embedded player.