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Date: Fri, 16 Mar 2012 07:38:37 -0700
From: Joe Knapp <joeknapp AT keensupport DOT net>
Organization: Keen Support Services, LLC
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To: geda-user AT delorie DOT com
Subject: Re: [geda-user] Daughter's Science Fair
References: <CALSZ9gp3RUu2WiEU9SoJROD+3LQcF3XR4YKJiKP1P-U2OWM4-Q AT mail DOT gmail DOT com> <20120316142719 DOT 26210 DOT qmail AT stuge DOT se>
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Reply-To: geda-user AT delorie DOT com

Sorry, missed the whole point about DC. Absolutely true.

On 03/16/2012 07:27 AM, Peter Stuge wrote:
> Rob Butts wrote:
>> shouldn't the electromagnetic field produced by the coil and nail
>> with the battery induce a current in the other coil when placing
>> the nails adjacent and parallel?
> There are no DC transformers, right?
>
> http://van.physics.illinois.edu/qa/listing.php?id=2354
>
>
> //Peter
>

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