Re: About the outage

On Tue, 11 Dec 2007 18:51:38 -0800 (PST), the following
appeared in talk.origins, posted by "Greg G."
<ggwizz@xxxxxxxxx>:

On Dec 11, 5:39 pm, Bob Casanova <nos...@xxxxxxxx> wrote:
On Mon, 10 Dec 2007 20:24:37 -0800 (PST), the following
appeared in talk.origins, posted by "Greg G."
<ggw...@xxxxxxxxx>:





On Dec 10, 5:58 pm, Earle Jones <earle.jo...@xxxxxxxxxxx> wrote:
In article
<0803a79b-c390-45e9-b2d7-829f2f9ea...@xxxxxxxxxxxxxxxxxxxxxxxxxxx>,
"Greg G." <ggw...@xxxxxxxxx> wrote:

On Dec 10, 4:49 pm, r norman <r_s_norman@xxxxxxxxxxxx> wrote:
I don't want appear to join the hundreds of t.o. regulars so desperate
for some form of human contact, no matter how aberrant, that they must
post test messages during the recent outage.

However I must apologize for causing it. Obviously my post to the
thread "Origin of female", which involved unbelievably graphic
depictions of the details of the difference between male and female,
was too much for the UseNet censors and they had to shut down the
entire enterprise.

No, no. It was my fault. My new irony meter design with a Wheatstone
bridge constructed of Zener diodes had a positive feedback loop
shunted to the mind ray helmet. I used the wrong brand of aluminum
foil.

Zener diodes? Wheatstone bridge?

How old are you anyway?

I remember rheostats.

Ah, but do you remember the difference between a rheostat
and a potentiometer (the resistive sort, not the measuring
device)?

A rheostat can be used to directly control higher currents?

Nope. A rheostat is a 2-terminal variable resistor. A
potentiometer is a 3-terminal variable resistor (which can
be easily converted to a rheostat by wiring the wiper
terminal to one of the ends). A rheostat functions as a
variable resistance between two points in a circuit, while a
potentiometer acts as a variable voltage divider, with the
wiper forming the divider center tap. At least, that's how I
learned it in my first tech schools; both terms have pretty
much gone out of use, and the generic "pot" is now usually
used for both.
--

Bob C.

"Evidence confirming an observation is
evidence that the observation is wrong."
- McNameless

.

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    ... and a potentiometer (the resistive sort, ... My recollection is that a rheostat regulates flow as a variable ... potentiometer controls signal amplitude, ... "Evidence confirming an observation is ...
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  • Re: About the outage
    ... bridge constructed of Zener diodes had a positive feedback loop ... and a potentiometer (the resistive sort, ... My recollection is that a rheostat regulates flow as a variable ... potentiometer controls signal amplitude, ...
    (talk.origins)