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3answers
291 views

charge density in a wire

if we have a infinitely thin and infinitely long straight wire on the z-Axis with given current I(t), how can i compute the charge density? I figured out that the current-density is given by ...
0
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1answer
321 views

linear charge density, surface charge density and volume charge density

What is the difference among linear charge density, surface charge density and volume charge density.