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[Amps] Voodoo Magnetic Fields

To: <amps@contesting.com>
Subject: [Amps] Voodoo Magnetic Fields
From: G3SEK at ifwtech.co.uk (Ian White, G3SEK)
Date: Sat Feb 8 03:04:11 2003
Jeffrey Madore wrote:
>As I alluded to, I think we can leave the terrestrial magnetic field 
>out of the equation.

That is clear from Eric's calculation.

>A length of power cable in free air exhibits the property of inductive 
>reactance when there is AC current flow. This XL results when the 
>cables own magnetic field expands and collapses about the conductor 
>itself. The result is a CEMF which produces current that is out of 
>phase with the source current and thus bucks or impedes the flow of 
>current from the source. Hence, we have these two current components 
>which are out of phase, producing magnetic reaction and mechanical force.
>
If you can describe the scenario, you can predict the force. Please may 
we see a calculation?

-- 
73 from Ian G3SEK         'In Practice' columnist for RadCom (RSGB)
                            Editor, 'The VHF/UHF DX Book'
http://www.ifwtech.co.uk/g3sek
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