Charged particles in a liquid and B field

[rwooduk]

I would like to ask your opinions on what would happen if you had a liquid containing charged particles and then applied a sinusoidal magnetic field?

1. would the particles move in one direction and when the current changes direction then move in the other direction?
2. would there be a macroscopic flow in the liquid as a result?
3. just to check, can you have a sinusoidal current flowing through a solonoid which causes the magnetic field to change direction?

Thanks for any opinions on this.

 

[gtoguy97]

1. Yes, the charged particles would move in one direction when the magnetic field is pointing in that direction, and then move in the opposite direction when the magnetic field changes direction.2. Yes, there could be a macroscopic flow in the liquid as a result. Depending on the magnitude of the magnetic field, the charged particles may be able to overcome any viscous forces present in the liquid and cause it to flow in the direction of the applied magnetic field.3. Yes, you can have a sinusoidal current flowing through a solenoid which causes the magnetic field to change direction. The changing current creates an alternating magnetic field, which causes the particles to be pushed and pulled in different directions as the direction of the field changes.