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Illustration Electron in magnetic field perpendicular to direction of motion

Electron in magnetic field perpendicular to direction of motion
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Negatively charged carrier (e.g. an electron) with charge \( q \) moves through a homogeneous magnetic field \(B\) of a horseshoe magnet. The direction of motion of the electron (i.e. its velocity vector \(v\)) is perpendicular to magnetic field lines. \(B\) and \(v\) enclose a 90 degree angle.