Help with moving in Comsol.

Hello Mr. Ivar.

I am writing to you because you helped me to solve most of my problems.

Therefore, I would like to learn if you have any experience with choice

Physic Manager Builder.

And one more question:

When I use the AC / DC as MF create a magnetic field geometry where the driver is a magnet or coil.
I think that when an electrical conductor enters the magnetic field would have to move, but for me, nothing moves, even if I use time dependet study.

Thank you very much for your help and willingness.

Dipl.Ing Martin Kandl.