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[Phys-L] Line frequency question

"It is generally accepted that Nicola Tesla chose 60 Hz as the lowest
frequency that would not cause street lighting to flicker visibly.
The origin of the 50 hertz frequency used in other parts of the world
is open to debate but seems to be a rounding off of 60 Hz to
the 1 2 4 5 10 structure popular with metric standards."

Herb Gottlieb

Larry Smith <larry.smith@SNOW.EDU> wrote:

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
Thanks in advance, Larry
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