Re: Creating a folder on the desktop
Re: Creating a folder on the desktop
- Subject: Re: Creating a folder on the desktop
- From: "John C. Welch" <email@hidden>
- Date: Tue, 06 Sep 2005 21:17:13 -0500
- Thread-topic: Creating a folder on the desktop
On 9/6/05 19:51, "Bill Briggs" <email@hidden> wrote:
> No kidding. When they decided the convention for the direction of flow of
> electric current there was a 50:50 chance of getting it right. They got it
> wrong. After they came to understand something of atomic structure and figured
> out that the charge carriers were electrons, they learned that the charge
> carriers (or current) was going in the opposite direction. But after more than
> 100 years of literature having been written with the other convention, it was
> too late to change it. So we still teach that the current flows from positive
> to negative, when in truth, the movement of charged particles goes in the
> opposite direction. In some sense, it's not a big deal, but it does confuse
> the hell out of students for a while.
Depends on where you learn.
The US Navy teaches negative to positive.
When I was in school in the US Air Force, I learned it all heads for the
ground, however that happens to be defined in the circuit
--
Always look behind you before you make that first cast. That boat may be
smaller than you think. And Jim Marburger¹s dad might be taking up more
space than you think, too.
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