Re: RF biological hazards? (fwd)

• To: tesla-at-pupman-dot-com
• Subject: Re: RF biological hazards? (fwd)
• From: Tesla List <mod1-at-pupman-dot-com>
• Date: Tue, 5 May 1998 15:37:59 -0600 (MDT)
• Approved: mod1-at-pupman-dot-com

---------- Forwarded message ----------
Date: Wed, 6 May 1998 09:08:56 +1200
From: Malcolm Watts <MALCOLM-at-directorate.wnp.ac.nz>
To: Tesla List <tesla-at-pupman-dot-com>
Subject: Re: RF biological hazards? (fwd)

Hi Jim,
          I would describe the resonator as a monopole with a ground 
reflection.

Malcolm

> Date: Tue, 5 May 1998 11:56:17 -0700
> From: Jim Lux <jimlux-at-earthlink-dot-net>
> To: Tesla List <tesla-at-pupman-dot-com>
> Subject: Re: RF biological hazards? (fwd)
> 
> Here is a quick calculation of expected electric and magnetic fields,
> assuming the tesla coil is a "short" dipole (that is, it is much shorter
> than a wavelength). I calculated based on a total coil height of 1 meter,
> with the secondary C of 40 pF and secondary L of 63 mH, for a resonant
> frequency of 100 kHz. Further, I assumed the max secondary voltage was 1
> megavolt. The calculated impedance of the coil is about 40K ohms (=
> sqrt(L/C))
<snip> 

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