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Magnetic field - General current in a cube
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[QUOTE="Delta2, post: 6513834, member: 189563"] I think we need to know more information about the given current density. Saying that it just enters at one point and exits at another point is not enough. We need to know what is the in between path (is it a straight line? it is some sort of helix? or what else, they can be infinite ways for the inbetween path) and how the current density varies spatially in this path. If you have some image or figure you can post here please do it, many times one picture worth thousands of words. I don't think we can prove that the magnetic field at the center will always be zero, regardless of the details of the current density. [/QUOTE]
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Magnetic field - General current in a cube
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