Date: Tue, 22 Feb 2011 15:15:00

Author: Doug Johnson

Subject: Re: Tin Foil Capacitor

Post:

Paul,
The foil can still be charged and hold a charge without having a
dielectric. Yes, it is funny how this simple demo has created so much
discussion.
Dale, did you ever find a solution to your primary question?

...Doug J.


On 2/22/11 1:18 PM, "Paul Nord" wrote:

> Jerry,
>
> If you take the capacitor apart and remove the dielectric, you can touch the
> plates together and will find that there is no (or only a tiny tiny fraction
> of the) charge on them. Put it back together and it will be charged.
>
> Paul
>
>
> On Feb 22, 2011, at 2:31 PM, chuck britton wrote:
>
>> Vacuum polarization ! ? ! ? ! ?
>>
>>
>> At 12:30 PM -0700 2/22/11, Jerry DiMarco wrote:
>>> Taking one problem at a time, are you saying there is no charge
>>> deposited on the plates of a capacitor?
>>>
>>> Jerry D
>>>
>>>
>>> At 2/21/2011 03:28 PM, you wrote:
>>>> Jerry,
>>>>
>>>> But in the case of the rolled foil capacitor there are two foils and two
>>>> insulators. The "charge" is actually held in the polarization of the
>>>> dielectric and not on the surface of the conductors.
>>>> ......
>>>>
>>>> Paul
>>
>
>



From tap-l-owner@lists.ncsu.edu Tue Feb 22 19:53:12 2011

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