CV Transformer - Capacitor on separate winding ?

[der Mouse]

>> Current flowing != power being drawn.  [...reactive vs resistive
>> loads and power consumed != RMS volts * RMS amps...]
>> An ideal capacitor or inductor, for example, presents a purely
>> reactive load and consumes no power even though it draws current.
> With a dual trace scope, or an X/Y scope, [...]  Trigger on one, and
> observe the two traces.  Or feed them to X and Y and see how close
> the Lissajous figure is to a circle.

But lest you be confused - a circle Lissajous figure, or power and
voltage 90° out of phase on a dual-trace display, indicates no power
consumed, a purely reactive load.  A purely resistive load has current
and voltage in phase with one another - waveforms in sync on
dual-trace, or a straight (diagonal) line on an X-Y display.  (I'm sure
Paul Koning knows this.  I'm writing more for people who don't.)

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