I dislike being tarred with the same brush and seek to not do same in
my life with others.
In this instance I reacted emotionally, and I regret it.
Thank you for your forbearance.
On Thu, 21 Jun 2007 23:37:13 -0500, Tim Daneliuk
tjwatson1ATcomcastDOTnet (real email)
This is a clear description of the effect but ignoring the math, the
chart shows that at 60Hz, the current in the middle of a 3/4" diameter
copper conductor is still about 37% of the surface value.
For typical wires 12 to 18 gauge wires at 60 Hz you can treat the
current density as uniform as it is at DC. For high frequency RF the
current is almost entirely in the outer few micro-inches which is why
high performance RF conductors are silver plated to take advantage of
the greater conductivity of silver compared to copper without the cost
of solid silver.
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