Keith Dysart wrote:
I understand now. "Virtual resistance" is a term of your
own invention, not the IEEE, which explains why it is not
in the dicionary.

I didn't invent the term, Keith. It is simply
descriptive of a resistance when the resistance
is not a resistor - a virtual resistance as
opposed to a physical resistor.

The fact that there are two definitions, (A) and
(B), for resistance in the IEEE dictionary is what
is important. But their definition has (A) as a
subset of (B). So what do we call a resistance that
satisfies the (B) definition but not the (A) definition?
Walter Maxwell calls it a virtual resistance and that's
good enough for me.

It is not a bad term for the concept, just misattributed.

I believe the first time I encountered the word
"virtual" used for an impedance was when I read
Walter Maxwell's early QST articles some 30 years
ago.
--
73, Cecil http://www.w5dxp.com