NCEA Level 2 Physics Practice Exam

When unlike poles of magnets are approached, they attract each other. This phenomenon can be explained by the fundamental principles of magnetism. Magnets have two poles: a north pole and a south pole. According to the law of magnetism, opposite poles attract each other, while like poles repel one another. Thus, when a north pole of one magnet is brought near the south pole of another magnet, a force pulls them together, resulting in an attractive force.

This attraction occurs because the magnetic field lines from the north pole and south pole connect, allowing energy to transfer between the two magnets. The interaction between these magnetic fields is what leads to the attraction. With this understanding, the other options can be considered less accurate in describing what happens with unlike poles.