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Mmma reacted to anuttarasammyak's post in the thread I Why are Maxwell's equations and the Lorentz force "so different"? with
Informative.
Chapter 29 of General theory of relativity, P.A.M. Dirac, was informative for me. He stated the action principle ##\delta... -
Mmma replied to the thread I Why are Maxwell's equations and the Lorentz force "so different"?.You can call it a definition, but it is still a new equation in addition to Maxwell's equations.