On Apr 11, 4:14 am, Cecil Moore wrote:

True negative power just doesn't exist.
Negative energy would violate the conservation of
energy principle.

Correct. Therefore 2*sqrt(P1*P2)cos(180) is impossible as well as
ridiculous.

Since true negative power is impossible, the negative
power result of a square root process is discarded
as an artifact.

But what is TRUE negative power, and how does it differ from other
types of negative power? :-)

ac6xg