Is an electromagnet a temporary or a permanent magnet?Electromagnets:A permanent magnet is a magnet that retains its magnetion. A small permanent magnet can be used to hold notes onto the door of a refrigerator. Neodymium magnets are very powerful permenent magnets used in hard drives of computers.Sometimes we do not want a magnet to stay magnetised all the … [Read more...] about Is an electromagnet a temporary or a permanent magnet?
Types of Magnets
What are the Different Types of Magnets?
What are the Different Types of Magnets?Magnetism: The property due to which a substance attracts iron pieces towards it, is called magnetism. The substance having property of magnetism, is called magnet. There are two types of magnets: temporary and permanent. Magnets that retain their magnetic properties only for a short period of time are called temporary … [Read more...] about What are the Different Types of Magnets?