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Chapter 4: Q4DQ (page 811)

The magnetic force on a moving charged particle is always perpendicular to the magnetic fieldB→. Is the trajectory of a moving charged particle always perpendicular to the magnetic field lines? Explain your reasoning.

Short Answer

Expert verified

No, the trajectory of a moving charged particle always perpendicular to the magnetic field lines.

Step by step solution

01

Magnetic force on a moving charge

The magnetic field of force on a moving charge is perpendicular to the velocity and magnetic field of the charge which is given by the right-hand rule.

02

Step-2: Explanation

The particle will enter the magnetic field with a velocity that has a component parallel to the magnetic field, hence the component will remain unchanged and there will be a motion in the direction of the field. Hence, the trajectory of a moving charged particle will not always be perpendicular to the magnetic field lines.

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