a) How can I use the Maxwell equation to prove that electric field is the sum of a conservative parcel of the electric potential gradient and a non-conservative parcel given by the magnetic potential variation?
b) Magnetic induction can be described as the rotational of the magnetic potential
c) The magnetic potential to a particular spacial distribution megnetic induction is not unique
d) For static sources, the electrical and magnetic potentials satisfy the equation Poisson's; For time-varying sources the potentials satisfy the equation of wave.
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