Tdonaly wrote:
Actually, net current doesn't flow at all in a standing wave.

Instantaneous standing wave current moves in one direction during
1/2 cycle, and in the opposite direction during the next 1/2 cycle.
If you think otherwise, you are simply wrong. Have you never observed
standing waves on an o'scope? It looks like a kid's jump rope.

And Tom, one of the strictest laws of physics is that current cannot
stand still. Saying that "current doesn't flow at all" is ridiculous.

When the current is flowing into both ends of the coil at the same time,
charge is being stored in the coil. 1/2 cycle later, the charge flows
out of the coil at both ends.

In one of my examples, the current at the bottom of the coil is 0.18
at - 54 degrees. The current at the top of the coil is 0.2 at 126 degrees.
Last time I checked, 54+126 = 180 degrees indicating that the current
at the bottom of the coil is 180 degrees out of phase with the current
at the top of the coil. That means the two currents are flowing in
opposite directions at the two ends of the coil.
--
73, Cecil http://www.qsl.net/w5dxp



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