Topic Content:
- Magnet
- Lodestone
- Uses of Magnets
- Properties of a Magnet
A magnet is a metallic object that attracts other metallic objects towards it e.g. lodestone.
Elements which are attracted by magnets are called Magnetic Materials. They include iron, steel, nickel, cobalt etc. Substances that can be attracted by a magnet are said to be Magnetic and the ability of a magnet to attract magnetic substances is called Magnetism.
Magnets are generally categorized into two groups namely permanent and temporary magnets.
Permanent Magnets: A magnet that retains its magnetic properties for a long period of time is called a permanent magnet.
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This is so self-explanatory and straightforward