Chronology Current Month Current Thread Current Date
[Year List] [Month List (current year)] [Date Index] [Thread Index] [Thread Prev] [Thread Next] [Date Prev] [Date Next]

[Phys-L] Re: Why 60 hertz?


Larry Woolf
General Atomics

-----Original Message-----
From: Forum for Physics Educators On Behalf Of Larry Smith
Sent: Friday, March 25, 2005 8:49 AM
Subject: Why 60 hertz?

A student asked the historical question about why America chose wall AC to
be 60 hertz and why Europe chose 50 hertz. I'm interested myself.
Phys-L mailing list