The direction of charged particle flow is determined by the Lorentz force, which is the force experienced by a charged particle moving in a magnetic field. This force is always perpendicular to both the direction of motion and the direction of the magnetic field.
The magnetic field acts as a guiding force for charged particles. It exerts a force on the particles, causing them to move in a circular or helical path perpendicular to the field lines. This results in the particles flowing perpendicular to the field.
The strength of the magnetic field affects the amount of force exerted on the charged particles. A stronger magnetic field will result in a tighter curvature in the particle's path, causing it to flow more perpendicular to the field lines.
No, charged particles cannot flow parallel to the magnetic field. This is because the Lorentz force, which determines the direction of particle flow, is always perpendicular to the magnetic field. Therefore, there is no force acting in the direction of the field lines to cause parallel flow.
The speed of the charged particles does not affect the direction of flow in a magnetic field. However, it does affect the radius of their circular or helical path. Faster particles will have a larger radius, resulting in a larger angle of deflection from the field lines, but they will still flow perpendicular to the field.