Multiple choice Which of the following is the sure test of magnetism? Attraction between the opposite poles. Repulsion between the same poles. When suspended freely, a magnet always aligns in N-S direction. Two poles of a magnet are indivisible. There is no sure test of magnetism. Reveal answer Fill a bubble to check yourself B Correct answer Explanation When we bring the same poles of two magnets near to each other, then they will repel each other and it is the surest test of magnetism.