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Re: interesting secondary phenomonea

Original poster: Esondrmn@xxxxxxx

Hi Ed,

Woops, I forgot the context of the thread. I was referring to the charge location of a parallel plate capacitor. In this case, I agree that the charge is on the surface of the coating and probably created from the energy stored in the dielectric that is released over time. That's what I get for reading these threads intermixed &*@?%$#

Gerry R.


I have been shocked by my secondary after several long runs. If I slide my hands up and down the secondary, many sparks jump out to my hands. This happens over and over again. There is obviously quite a charge built up there. This is all happening with the secondary still grounded. If the charge was being stored in the conductor, I would think the earth ground would remove it quickly. I believe the charge is stored in the coating - polyurethane in this case, or possibly in the plastic coil form itself.

Ed Sonderman

In a message dated 1/30/2007 10:18:08 PM Pacific Standard Time, tesla@xxxxxxxxxx writes:
Original poster: "Gerry  Reynolds" <gerryreynolds@xxxxxxxxxxxxx>

Hi DC and Gavin,

I believe the charge is on the surface of the conductor.  It cant be
inside the metal as electrons in metals are "free" and will try to
get away from each other, hence they will be distributed about the
surface whether a vacuum or dialectric material exist between the
plates of the capacitor.  If a vacuum, there is no dialectric to
polarize.  If dialectric material is present, the electron obits will
be distorted by the field strength between the plates until the field
is strong enough to pull the electrons "free" (dialectric breakdown).

Gerry R.