Re: Ohm's Law

[Ludwik Kowalski <kowalskiL@MAIL.MONTCLAIR.EDU>]

OOPS, Q=V*C. Like I=S*V, where S=1/R=conductance.
Capacity <---> Conductance ?

Ludwik Kowalski wrote (now corrected):

> How does Ohm's law, I=V*S, differ from the Q=V*C law?
> Note that C, like S, depends only on geometry, and on the
> medium (epsilon, not rho). Since epsilon is likely to depend
> of conditions, such as pressure or temperature I would not
> be surprised by a "nonlinear capacitor." Does it exist?
>
> To emphasize the analogy one can say that Q stands for the
> flux of field lines linking two parallel plates. Field lines in
> a capacitor versus the current density lines in a wire.
> Ludwik Kowalski