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Giuliani, G. – European Journal of Physics, 2010
A forgotten experiment by Andre Blondel (1914) proves, as held on the basis of theoretical arguments in a previous paper, that the time variation of the magnetic flux is not the cause of the induced emf; the physical agent is instead the vector potential through the term [equation omitted] (when the induced circuit is at rest). The "good…
Descriptors: Physics, Magnets, Science Instruction, Validity