Wednesday, 10 April 2019

electromagnetism - Can magnetic force really be just electric force in a different frame?


Relativity explains magnetism as the electric force observed in another frame under Lorenz transformation, is that right? electrons move in a wire in a different frame of the positive ones.


Now, even if that is somewhat stretched, it can work for a conductor, but can you specify how can that explanation make sense if 2 charges are moving in parallel direction, both at rest in each other's frame?


And, most of all how can that work for light, which is in an absolute frame of its own? If magnetic were the same as electric force/field then how can the alternate in the same frame?




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