[Prev][Next][Index][Thread]
Re: Capacitor charge, were is it?
At 05:25 AM 10/28/96 +0000, you wrote:
>> Subject: Re: Capacitor charge, were is it?
>> >Subject: Capacitor charge, were is it?
>
>From bert.hickman-at-aquila-dot-comSun Oct 27 21:45:13 1996
>Date: Sun, 27 Oct 1996 10:43:20 -0800
>From: Bert Hickman <bert.hickman-at-aquila-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Re: Capacitor charge, were is it?
>
>Tesla List wrote:
>>
>> >From pgantt-at-ix-dot-netcom-dot-comSat Oct 26 23:48:38 1996
>> Date: Sat, 26 Oct 1996 20:29:05 -0700
>> From: pgantt-at-ix-dot-netcom-dot-com
>> To: tesla-at-poodle.pupman-dot-com
>> Subject: Re: Capacitor charge, were is it?
>>
>> On 10/25/96 22:25:22 you wrote:
>> >
>> >>From huffman-at-fnal.govFri Oct 25 21:56:12 1996
>> >Date: Fri, 25 Oct 1996 10:33:24 -0500
>> >From: huffman <huffman-at-fnal.gov>
>> >To: List Tesla <tesla-at-pupman-dot-com>
>> >Subject: Capacitor charge, were is it?
>> >Group,
>> >I'm having trouble with the idea of charge being stored in the dielectric.
>> >This may not be totally Tesla related but I would like some comments,
>> >stones, etc.
>> >
>> >R. Hull post - All of the charge is held in the dielectric of the secondary
>> >and not the
>> >metallic components. This is the case in all capacitors. The plates can
>> >never store charge!.. Only conduct it to a point where work can be done
>> >electrodynamically.
>> >
>> >If this is true we could not have a capacitor with a charge that has no
>> >dielectric (vacuum).
>>
>> Since a vacuum is a conductor (i.e vacuum tube), you cannot have a potential
>> difference (charge) in a pure vacuum. This concept is theoretical.
>
>Phil,
>
>Not quite... :^)
>
>Jennings and Kilovac are a couple of companies making vacuum capacitors
>and vacuum relays. Both depend upon the excellent high voltage
>insulating capability of a hard vacuum. Only under the right
>circumstances can a vacuum be made to pass current. This can be done
>through thermionic emission of electrons from a heated cathode (vacuum
>tubes), or by field emission (when the electric field is so great that
>it "rips" electrons from the surface of the cathode).
>
>
>-- Bert --
>
><SNIP>
-------------------------------------------->
Food for thought -
>A Tesla coil can put a charge on the secondary terminal. If this terminal
is >the outside skin of a space station could a space station charged by an
on >board Tesla coil attract or repel a nearby shuttle that is charged by
it's own >Tesla coil?
This could make Tesla coils very popular in the near future.
>>>> Jack C. <<<<