Magnetic field .
The flat surface that goes on and on in all directions has no boundaries. This flat surface is called infinite surface. Accordingly, the answer is that the flat surface that goes on and on in all directions is called an infinite surface.
A plane
It is a plane.
Plane
Plane
magnet moves cause all magnets have an electric field around it]
plane
a plane
No. It goes in all directions.
no, it acts in all directions
The magnetic field.
A magnet can be demagnetized by striking it many times, heating it, or cooling it. All of these randomize the domains.