Physics for IGCSE & O level - Magnets And Currents (Section 11 - No. 11)
What happens when you cut a bar magnet in half lengthwise?
You are left with two monopoles, one north and one south pole.
You are left with two magnets, each with a north and south pole.
The magnet loses its magnetic properties completely.
Only one half retains its magnetic properties.
Explicació
Each part has a North and a South pole.