Re: power-grid physics

[Larry Smith <larry.smith@SNOW.EDU>]

At 11:47 AM -0400 8/21/03, Tom Bross wrote:
> With all the electrical experts currently contributing to this thread, I
> wonder if one would be willing to answer a related question.  What could I
> tell
> students are the number of significant figures in the frequency of the AC
> available in the lab outlets?  Is is 60 Hz, 60.0 Hz, 60.00 Hz, etc.?  At
> least what
> would be a reasonable estimate?


I was glad to finally see some sort of answer to this question since it
affects our spark timer when we do the free fall experiment.



At 2:11 PM -0700 8/30/03, Bernard Cleyet wrote:
> Our discussion on line frequency prompted my horologist friend to
> measure it with his MicroSet:
>
> http://www.bmumford.com/clocks/60cycle/

Any theory why it spikes each hour?

Larry