Richard Harrison wrote:
Cecil is getting at the effective value of an a-c waveform which is rms.
Slick and Cecil are talking about two different things.

I was a little sleepy when I wrote that. It didn't occur to me until
later that Slick can also use dQ/dt = 0 over a complete cycle to prove
that the average value of any AC current is zero, not just at a voltage
node. Hence the necessity for RMS values for AC.

If Slick can tell a forward wave from a traveling wave by taking one and
only one current measurement at one point on a transmission line, and
knowing nothing else about the system, he is a better man than I.
--
73, Cecil http://www.qsl.net/w5dxp



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