Not much The Americas are moving towards Asia due to continental drift.
The Atlantic is getting wider any 1/2" per year
The electrical charge is neutral. I hope this helps!
With a small magnet with a generator it will be taken up quickly because how small it is while with a big generator it would take more force for it for the generator to attach because the larger the magnet that heavier it will be because it is attached to the North Pole magnet