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...
First of all magnets were found naturally in a place called magnesia. the natural magnet is sometimes called leading stones. and also because it is found in magnesia the name magnetite is given for...