Re: electromagnets in the practice

On Sep 4, 9:34=A0pm, Camilo <camilo...@[EMAIL PROTECTED]
> wrote:
> On 4 sep, 11:23, "Szczepan Bialek" <sz.bia...@[EMAIL PROTECTED]
> wrote:
>
> > =A0"Camilo" <camilo...@[EMAIL PROTECTED]
>
wrotenews:43e07b13-59fc-46d7-9a4=
d-6dfed7ea1c7c@[EMAIL PROTECTED]
>Hieverybody! As I
understand=
 when you face two magnets by the same
>
> > pole, no matter if one of the magnets is very weak, they always get
> > rejected =A0between them.
>
> > Are you sure?
> > There should be an analogy with electrostatics where a strong charged
b=
ody
> > attracts a week charged body (the same sign).
> > Try the weak magnet made of the hard steel.
> > S*
>
> I made another experiment to test my original premise; I took a
> neodimium magnet (strong magnet) =A0and a small ceramic magnet, used on
> magnetic chess sets (weak magnet), and whatever be the pole of the
> small magnet =A0it=B4s always attracted to the neodimium magnet. I
> replaced the neodimium magnet by a ceramic magnet (weaker than
> neodimum magnet but still =A0stronger than the small magnet) and here we
> have rejection by these two magnets.
> The only explanation that I suppose for this is that attaction and
> rejection=B4s law already applies to magnets but with the condition that
> there aren=B4t too much difference on their power. Am I right or what
> happens with this case!?

I would think the gauss of the neodymium magnet is so over powering
that the weaker one's permeability is over taken by the neodymium and
its polarization is tem****ally realigned.