Physics for IGCSE & O level - Magnets And Currents (Section 7 - No. 16)
What is the relationship between the poles of a magnet and the force between them?
Opposite poles attract, and like poles repel.
Like poles attract, and opposite poles repel.
All poles attract each other.
Poles have no effect on the magnetic force.
توضیح
Opposite poles attract, like poles repel.