A magnet is something that produces a magnetic field and has two poles. The two poles are opposite and opposing e.g north and south or positive and negative. This is why if you hold two bar magnets...
A bar Magnet? It should be described as it's shape. Permanent Magnet or temporary Magnet ,they distinguished by their magnetism can be hold or not. Permanent magnet,as I know, there are some...
A magnet is produced by aligning the magnetic domains in a material to point in the same direction. When heated, the magnet loses its magnetism as the molecular motion, which is caused by heating,...