Jim Kelley wrote:

Cecil Moore wrote:
There exists current at the base of a coil. It either flows into the coil
or away from the coil.

If it is DC current, you're right. If it is AC, then you're talking
about wave propagation. You're confusing the two things. You have to
decide which one you want to talk about.

Nope, it is you who are confusing waves (photons) with current (dQ/dt).
I have said nothing about photon waves. Everything I have said applies to
current, i.e. dQ/dt where the charge carriers are electrons and reverse
direction every 1/2 cycle. That the electrons launch photons in waves is
irrelevant to this current discussion. dQ/dt (current) doesn't change much
because of photon acquisition or loss.

We don't talk about alternating current flowing in only one direction or
another.

Of course we do, Jim. We talk about the AC generator source current flowing
from the power stations to our houses. In general, AC current flowing in phase
with the generator current is considered to be flowing away from the generator
toward the load, by convention. This is clearly illustrated in my college
textbooks where AC RMS values replace DC values.
--
73, Cecil http://www.qsl.net/w5dxp



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