Matching Pairs MagnetismOnline version This game is designed to test the user's understanding on the concept of magnetism by Zahrin Zulkifli 1 Coulomb's Law 2 Flux density 3 Transient induced magnetism 4 Variation 5 Dip 6 Magnetic flux lines Angle a freely suspended magnet makes with the horizontal Inverse square law to calculate attractive and repulsive forces between magnetic poles The number of magnetic flux lines per square metre cross-section Lines of magnetic force from a magnet Angle between true north and magnetic meridian at that place A soft iron bar that has been magnetised and its poles are not permanent