It depends of the magnitude of the DC in relation to the AC. If the DC bias was equal to the AC peak voltage, then the current would not reverse. And the peak voltage in the biased direction would have doubled.
Doubling the voltage quadruples the power, also the DC component could be much greater in power and peak voltage than the AC. However, there is always going to be some argument that a skeptic could make. With computer graphics, special effects, stage magicians and a good imagination there is a way to fake most things and accuse anything of being faked, even someone lazy can just point out that they don't know how a given magician does trick x either. So ultimately the answer is that things must be taken on faith and trust to a degree that there is no intentional dishonestly by those genuinely interested in advancing science. Those who are not interested in advancing science will always find reasons to ridicule advancements and there will always be some room to do so. We should treat experimental claims in an innocent until proven guilty manner, but not being blind and stupid either. John On Wed, Jun 26, 2013 at 3:19 PM, Jed Rothwell <[email protected]> wrote: > This discussion makes no sense to me. As far as I know, when you add DC to > AC power, you get a DC bias. See: > > http://en.wikipedia.org/wiki/DC_bias > > It is still alternating current, it just does not go as far down as up (or > vice versa). Any power meter set for AC will measure this correctly. A DC > bias is a common problem. > > - Jed > >
