[sdiy] Dr strange no volt!

[harrybissell]

no he's got the zero in the numerator... that is allowed. Its = zero

H^) harry

Glen wrote:

> At 03:26 PM 8/6/04 , M.A. Koot wrote:
>
> >Interesting discussion, I've heard about having 0 volts and still having
> >currents before, really weird.
> >But when one does look at it straight to the point, Mister Ohm still says I
> >= U/R.
> >So no matter the resistance: if U = 0, I is also 0!
> >Period. ;)
>
> Not so fast, you're actually defining "division by zero". I've always been
> told that the world has yet to come to a definite conclusion as to what
> division by zero would yield. One suggestion that I've heard is division by
> zero results in infinity, but I don't know how many people tend to agree
> with that hypothesis. People can't even decide on exactly what the
> ramifications of infinity are, for one thing.
>
> Remember, part of the discussion was whether you could have current flow
> with zero voltage, inside a superconductive loop. Ohm's law sort of breaks
> down in this case, I would think.
>
> So, if you truly had zero resistance and zero voltage, could/would there be
> current flow in a superconductive loop? If so, how much current? Infinite?
>
> later,
> Glen