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Re: [Phys-l] RC Discharge



Vern Lindberg wrote:

Current is a vector?????

Yes, current is a vector. It has direction and magnitude.

We would have big problems with the Biot-Savart law
(among other things) if it weren't.

Current density is, but not current.

If current density is a vector, then I sum up all the
current density in some area to get the current.
Summation does not change the vectorial character.