Sorry about the slip-up. Darn fingers getting ahead of my brain again!

I wouldn't want to be accused of covering up a goof-up, but I've edited the original formula so that the explanation reads properly to avoid confusion.

The formulae here use W or P for power and V or E for voltage/EMF depending upon the source. Take your pick. Looks like I opted for the wrong ones to what most of you are used to seeing.

P = I x E only if the power factor is unity, but I didn't want to get into the complexities of reactive circuits.

Strictly speaking:

VA = I x E

and

Watts = VA x p.f.

Now, please pass the ice-cream to have with that PIE! [Linked Image]


[This message has been edited by pauluk (edited 06-15-2002).]