Question

List down any four uses of magnets?

Answer 1

Some of the uses of magnets are as follows:

1. ATM, credit and debit cards have a magnetic strip that stores information and enables transactions of money.
2. Magnetic recording devices such as VHS, audio cassettes, computers, floppy disks and hard disks have magnets for recording data.
3. Magnets are used in junk yards to separate iron objects and other waste materials.
4. Magnetic compass is used to find directions. It has a small magnetic needle at its centre.
5. Maglev or Magnetic levitation trains have been developed in America. These trains are without wheels and move a little above the rails. The trains are pulled by the magnetic force that acts on the rails.