Re: Query on toriod -> ground capacitance

• To: tesla-at-poodle.pupman-dot-com
• Subject: Re: Query on toriod -> ground capacitance
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Fri, 13 Jun 1997 08:04:35 -0500
• Approved: tesla-at-stic-dot-net

Subject:    Re: Query on toriod -> ground capacitance
      Date: Fri, 13 Jun 1997 21:03:11 +1000
      From: Peter Electric <elekessy-at-macquarie.matra-dot-com.au>
        To: Tesla List <tesla-at-pupman-dot-com>
References:  1


Tesla List wrote:
> 
> Subject:  Query on toriod -> ground capacitance
>   Date:   Fri, 13 Jun 1997 01:36:23 +1000 (EST)
>   From:   Rodney Graham Davies <Rodney.Davies-at-anu.edu.au>
>     To:   tesla-at-pupman-dot-com
> 
> Hi all,
> 
> A friend of mine wanted to know this -
> 
> "Why does the capacitance to ground of a toroid increase when you bring
> it
> up higher ? This is an odd occurrence and is probably not linear."
> 
> My own theory is that raising the toroid is practically the same as
> increasing the spacing between to capacitor plates. Here, the plates are
> the ground plain and the toroid...I could be wrong...
> 
> Anyone care to elaborate?
> 
> Thanks..
> Rod
 Rod, 
Increasing the spacing should decrease the capacitance, or have I missed
something?

Cheers from a fellow CCW coiler down under,

Peter E.

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