Re: ALSA sound recording frustration
On Fri, Nov 28, 2008 at 12:43:41PM -0600, lee wrote:
> On Thu, Nov 27, 2008 at 10:37:26PM -0500, Napoleon wrote:
> > lee wrote:
> >>
> >> But how do know that there is voltage when you cannot measure it or
> >> otherwise make evident that there is? As far as I understand it, you
> >> cannot do that without current flowing. You can do it for water
> >> pressure without water flowing, but I don't see how you could do it
> >> for voltage without flow.
> >>
> >
> > Actually, you can't do it for water without some water flowing,
> > either.
>
> Ok, but once the measuring device shows the pressure, the water stops
> flowing. Hm, ok, maybe you can design a voltmeter that shows the
> voltage and stops the flow of current ...
A voltmeter has two connectors and shows the potential differences
between them.
This is unlike an Ampermeter that shows the current flowing through it.
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