Re: NYS Physics Regents exam

[Brian Whatcott <betwys@DIRECTVINTERNET.COM>]

At 07:22 AM 7/6/02, John Denker, you wrote:
> Bernard Cleyet wrote:
> >
> > I question several of the questions or answers, [...]
> > especially # 45.
>
> What's wrong with that?....
>
> > The test assumes all incandescent lamps have a positive
> > temp. coefficient of resistance,
> [...]
> If this were a classroom situation I would say "come in tomorrow
> with a non-perverse counterexample and I'll give you 10 points
> extra credit".


Once upon a time, all incandescent light bulbs had a negative
temperature coefficient of resistance.

It is entirely possible that there are people on the list whose
memory reaches this far. (Though I doubt it   :-)




Brian Whatcott
  Altus OK                      Eureka!