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"that the resistance is independent of the voltage [temp, etc held
constant]" is a statement about a property of certain
particular materials.
For me, R=V/I merely defines the resistance of a current
path, in many
useful circumstances; the value of that R may be a function
of many things, including V.
Bob Sciamanda (W3NLV)
Physics, Edinboro Univ of PA (em)
trebor@velocity.net
www.velocity.net/~trebor
The above wording may be a bit confusing. I believe that Bob meant to
say that "the resistance is independent of the voltage provided
that the temperature remains constant"
Herb Gottlieb