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Failed to connect to MySQL: (1203) User howardkn already has more than 'max_user_connections' active connectionsPath: ...!3.eu.feeder.erje.net!2.eu.feeder.erje.net!feeder.erje.net!proxad.net!feeder1-2.proxad.net!cleanfeed3-a.proxad.net!nnrp4-1.free.fr!not-for-mail Subject: Effet Hall From: =?UTF-8?B?RnJhbsOnb2lzIEd1aWxsZXQ=?= Newsgroups: fr.sci.physique X-Newsreader: MesNews/1.08.06.00 Date: Wed, 19 Mar 2025 16:28:16 +0100 MIME-Version: 1.0 X-Face: &W|6U/fRZhPQe.DoT9!N+FjhHe!St`rbs`!**{SIrH/$mU%*Fn![0tKa>3i2/VNC#)OS$je U5Y[[>{4Q-nf3p~%*~&=PX;icirfK\`3U9/6_2Rh%]kBJ=n"e|~+J!_Cehr=@qyLOx^(T[jC(Sqagk WU_Kp8lwP)i=Fjyf Content-Type: text/plain; charset="utf-8"; format=flowed Content-Transfer-Encoding: 8bit Lines: 4 Message-ID: <67dae290$0$12948$426a74cc@news.free.fr> Organization: Guest of ProXad - France NNTP-Posting-Date: 19 Mar 2025 16:28:16 CET NNTP-Posting-Host: 90.93.55.0 X-Trace: 1742398096 news-2.free.fr 12948 90.93.55.0:52642 X-Complaints-To: abuse@proxad.net Bytes: 1192 Est-ce que quelqu'un peut me donner l'ordre de grandeur de la tension hall à travers les 4 cm de largeur d'une fine plaque d'acier de 14 cm de long parcourue par un courant de 5A et traversée par un champ magnétique de 1 T ?