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Magnetic charges to solve interaction between 2 magnetic dipoles
Suppose we have an electric dipole of charge Q+ and Q-.The charges of the dipole are fixed (they cant move closer to each other than they already are).If we place a test particle at some distance r from the electric dipole it is pretty straight forward we calculate the electric force between each of the charges of the dipole with the test particle.My question is:A magnet is a magnetic dipole , magnetic monopoles don't exist in nature.Can we define magnetic charges in order to solve interactions between 2 magnets?