Induzione elettromagnetica: un possibile percorso didattico

Physics textbooks describe electromagnetic induction phenomena with the simple calculation rule called ‘flux law’ but Maxwell’s general law of electromagnetic induction law, based on the vector potential and invariant for Lorentz’s transformations, shows that the induced emf is the consequence of time variations of the vector potential and the motion of electric charges in a magnetic field. The article reconsiders the presentation of these phenomena to high school students.

Numero: Anno XLV - n.2 - aprile/giugno 2012

Categoria articolo: Didattica

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