Re: quantum of electric flux?

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

A surface does not have to be closed to define a flux.
The same comment can be made for the message you
posted 5 minutes later.

Leigh Palmer wrote:

> > Responding to this:
> >
> > > > Quantization would imply a finite number of field lines.
> > > > How many electric lines does an electron produce?
> >
> > Leigh wrote:
> >
> > > Unlike magnetism, where a line is a measurement of flux, no
> > > such unit exists for electric field. ...
> >
> > The surface integral of E, appearing in Gauss's law, is the
> > flux. For example, the total flux into 4*Pi, or into a smaller
> > solid angle. What makes it conceptually different from the
> > surface integral of B?
>
> I don't know what you mean by conceptually different, but the
> latter is always zero. That would seem to be a significant
> difference.
>
> Leigh
>
> > I know that magnetic lines are always closed loops while
> > electric lines begin and end on charges. But why should
> > this be significant here?