When you magnetize something (like rubbing a magnet across a screwdriver will make it slightly magnetic for a little while) what dictates which side would become north vs what side would become south? and is there a way to control that?

Question

When you magnetize something (like rubbing a magnet across a screwdriver will make it slightly magnetic for a little while) what dictates which side would become north vs what side would become south? and is there a way to control that?

In: 3

Answer 1

its the opposite polarity of the magnet you’re using.
if you rub the north pole over it, the end where you stop is south polarised at the end