Consider a magnetic force acting on an electric charge in a uniform magnetic fie

Question

Consider a magnetic force acting on an electric charge in a uniform magnetic field. Which of the following statements are true? Check all that apply. Check all that apply. A magnetic force is exerted on an electric charge moving through a uniform magnetic field. A magnetic force is exerted on a stationary electric charge in a uniform magnetic field. The direction of the magnetic force acting on a moving electric charge in a magnetic field is perpendicular to the direction of motion. An electric charge moving perpendicular to a magnetic field experiences a magnetic force. An electric charge moving parallel to a magnetic field experiences a magnetic force. The direction of the magnetic force acting on a moving charge in a magnetic field is perpendicular to the direction of the magnetic field.

Explanation / Answer

The magnetic force on a free moving charge is perpendicular to both the velocity of the charge and the magnetic field
F = q VB sin()
For Parallel motion , = 0 , therefore sin(0) = 0
Hence there is no force on Charge.

For Stationar Charge v = 0 , Hene There is No Force.

All the Statements which are true -

A magnetic force is exerted on an electric charge moving through a uniform magnetic field.

The direction of the magnetic force acting on a moving electric charge in a magnetic field is perpendicular to the direction of motion.

An electric charge moving perpendicular to a magnetic field experiences a magnetic force.


The direction of the magnetic force acting on a moving charge in a magnetic field is perpendicular to the direction of the magnetic field.

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