Right-hand rule for wires, illustration

Numéro d’image : 12492953
Right-hand rule for wires, illustration
Right-hand rule for wires, illustration. This rule is used to determine the direction of the magnetic field present around a wire carrying an electric current. The wire is gripped with the thumb pointing in the direction of the current flow (positive to negative). The direction of the fingers enclosing the wire follow the direction of the magnetic field. The field lines are shown here in the form of small magnet dipoles. The convention is that the field lines run from south (white) to north (red), and are seen forming clockwise circles when looking down the wire in the direction of the current flow. If the polarity of the current is reversed, the magnetic field direction also switches.
Licence : Droits gérés
Crédit: Science Photo Library / Jensen, Mikkel Juul
Taille de l’image : 4459 px × 5000 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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