Jim Kelley wrote:
E^2 = E1^2 + E2^2 + 2E1*E2

Power doesn't interfere. It doesn't even propagate, Cecil.

Exactly as I said in my energy analysis article:
"The term "power flow" has been avoided in favor of "energy
flow". Power is a measure of that energy flow per unit time
through a plane. Likewise, the EM fields in the waves do the
interfering. Powers, treated as scalars, are incapable of
interference."

So please cease and desist with the straw man already.
You are simply quoting my article back to me.

And you are missing the point. When you said that voltage
and current cannot both double during superposition you
were 100% wrong. That error of yours is what our years
long argument has been about. Keith is apparently making
the same error as you.

Consider two identical EM waves superposing in free space.
Contrary to what you asserted in your previous posting,
the E-field doubles in magnitude AND the B-field doubles
in magnitude. The result is a quadrupling of the power
contained in the superposed wave compared to the power
contained in each original wave.
--
73, Cecil http://www.w5dxp.com