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Newsgroups: fr.sci.physique
Date: Wed, 14 Jun 2023 07:00:48 -0700 (PDT)
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Subject: Re: Disque en rotation
From: Quarkim <chakim555@gmail.com>
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Le mercredi 14 juin 2023 =C3=A0 15:50:04 UTC+2, JC_Lavau a =C3=A9crit=C2=A0=
:
> Le 13/06/2023 =C3=A0 21:12, Quarkim a =C3=A9crit :
> > Soit un disque de cuivre de 10 cm de rayon et de 1 cm d'=C3=A9paisseur.=
=20
> >=20
> > Ce m=C3=A9tal contient autant d'=C3=A9lectrons libres que d'atomes :=20
> > 1e- + Cu+ =E2=9E=9F Cu=20
> >=20
> > Question 1 :=20
> > Si on fait tourner le disque, est-ce qu'une tension =C3=A9lectrique app=
ara=C3=AEt=20
> > entre le bord et le centre du fait de la force centrifuge exerc=C3=A9e =
sur les=20
> > =C3=A9lectrons libres ?
> Et tu vas le placer o=C3=B9 et comment, ton voltm=C3=A8tre ?

Comme dans cette exp=C3=A9rience du disque de Fraraday :

https://www.youtube.com/watch?v=3DvW5pEq7ZuEM