Re: Retarded propagation of magnetic field leads to contradiction

From: Eugene (eugenev_at_synopsys.com)
Date: 07/30/04


Date: Fri, 30 Jul 2004 01:58:23 -0700


Dirk Van de moortel wrote:
> "Eugene" <eugenev@synopsys.com> wrote in message news:4109EF69.3030503@synopsys.com...
>
>>Consider simple experiment:
>>
>>A magnet and a wire loop are separated by the distance R.
>>If both of them are at rest, there is no current in the loop.
>>
>>If the magnet starts to move then (we assume that the
>>magnetic field propagates with the speed of light) the current
>>starts to flow in the loop only after time R/c
>>
>>If the magnet stands still, but the loop moves and
>>crosses the magnetic lines, the current starts to flow
>>immediately.
>>
>>As from the relativity principle both these situations should
>>be equivalent, we got a contradiction.
>
>
> You are dealing with accelerated frames.
> There is only a paradox in your deliberate misunderstanding
> of relativity.
>
> Dirk Vdm
>
>

There are no accelerated frames here. I am observing all this from my
reference frame at rest.
Eugene.



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