OT: Voltage (was: Need a word for these!)
|From:||Pavel Iosad <pavel_iosad@...>|
|Date:||Thursday, January 31, 2002, 0:58|
> > Why U for voltage/electromotive force?
> In France, V is used for the potential itself. Potential differences aremarked
> by U, so that we don't mistake potential (defined relative to an arbitrary
> constant) to electromotive force (defined absolutely). The difference is
> little, but believe me, it helps quite a lot to prevent simple mistakes.It's
> also quite useful when talking about motion driven by electric forces,since v
> is then taken for velocities :)) .
We use the Greek phi for potential, then we introduce delta phi, which is
then renamed U (or V, according to people's predilections :-))