What is the work done by a magnetic field on a charged particle moving in it?

No work is done by the magnetic field on the moving charge.

Can a magnetic field do work on a charged particle?

Since the magnetic force is perpendicular to the direction of travel, a charged particle follows a curved path in a magnetic field. Another way to look at this is that the magnetic force is always perpendicular to velocity, so that it does no work on the charged particle.

How do you find the work done in a magnetic field?

This force is given by F=q(→v×→B). Here, q is the magnitude of charge, ‘v’ is the velocity and ‘B’ is the external applied magnetic field in the region.

Can magnetic field do work on a charged particle?

An electric field may do work on a charged particle, while a magnetic field does no work. The Lorentz force is the combination of the electric and magnetic force, which are often considered together for practical applications. Electric field lines are generated on positive charges and terminate on negative ones.

Can magnetic field perform work?

The magnetic field does no work, so the kinetic energy and speed of a charged particle in a magnetic field remain constant. The magnetic force, acting perpendicular to the velocity of the particle, will cause circular motion.

Does a magnetic field do work?

As the loop starts to move the magnetic field that it makes moves too, i.e. it changes. But a changing magnetic field is always accompanied by an electric field, an “EMF”. That EMF does do work on electrons. That makes another EMF that can do work on the electrons in the loop.

Does magnetic field do any work?

Because the magnetic force is always perpendicular to the motion, the magnetic field can do no work on an isolated charge. It can only do work indirectly, via the electric field generated by a changing magnetic field.