Champ magnétique

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col-md-9 contnet-home"> <h1 class="fa-1x">Champ magnétique</h1> <p><font style="vertical-align: inherit;"><font style="vertical-align: inherit;">Un champ magnétique est un champ vectoriel qui décrit l’influence magnétique sur les charges électriques en mouvement, les courants électriques et les matériaux magnétiques. </font><font style="vertical-align: inherit;">Une charge en mouvement dans un champ magnétique subit une force perpendiculaire à sa propre vitesse et au champ magnétique. </font><font style="vertical-align: inherit;">Le champ magnétique d'un aimant permanent attire les matériaux ferromagnétiques tels que le fer et attire ou repousse d'autres aimants. </font><font style="vertical-align: inherit;">De plus, un champ magnétique non uniforme exerce des forces minuscules sur les matériaux « non magnétiques » par trois autres effets magnétiques : le paramagnétisme, le diamagnétisme et l'antiferromagnétisme, bien que ces forces soient généralement si faibles qu'elles ne peuvent être détectées que par un équipement de laboratoire. </font><font style="vertical-align: inherit;">Les champs magnétiques entourent les matériaux magnétisés, les courants électriques et les champs électriques variant dans le temps. </font><font style="vertical-align: inherit;">Étant donné que l'intensité et la direction d'un champ magnétique peuvent varier selon l'emplacement, il est décrit mathématiquement par une fonction attribuant un vecteur à chaque point de l'espace, appelé champ vectoriel.</font></font></p> </div>  <div class="col-xs-12 col-md-3 rroij-panel"> <div class="panel panel-default mb-4 mt-3"> <div class="panel-heading"> <h3 class="panel-title">Faits saillants de la revue</h3> </div> <div class="list-group icon-list-1" style="max-height:450px; overflow-y:auto;"> <a href="https://french.rroij.com/scholarly/electrodynamics-journals-articles-ppts-list.php" class="list-group-item" title="Cliquez ici">Électrodynamique</a> <a 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Champ magnétique