Subject: Tesla Coil
From: richard.quick-at-slug-dot-org (Richard Quick)
Date: Wed, 10 May 1995 01:49:00 GMT
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* Originally By: James Meyer
* Originally To: Dave Halliday
* Originally Re: Tesla Coil
* Original Area: FIDOElectron
* Forwarded by : Blue Wave v2.12
On 04-29-95, Dave Halliday wrote to James Meyer and said:
DH> What did Faraday run the coils off of - AC or DC
For producing steady magnetic fields, he used batteries.
DH> work was confined to steady-state DC and he did essentially zero work
DH> with alternating current or resonating circuits.
His classic experiment with magnetic induction used an iron
core transformer with a primary and secondary winding. He
proved that a *changing* magnetic field produced by a
*changing* electric current in one winding would induce a
similar *changing* electric current in a winding coupled to
the same magnetic field.
If that isn't the definition of "AC", then perhaps you can
provide another one.
BTW, it was a portrait of Farady that hung on the wall of
Einstien's study, not a picture of Tesla.
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