Magnets are used in compasses to help with navigation, in electricity meters and refrigerator doors, and to power the dynamos in bicycles and automobiles. They are also used in audio and video tapes, computer hard disks, NMR imaging, bulletin boards, credit cards, and to pick up scrap metal. The document discusses the various common uses of magnets in devices and applications like navigation, energy generation, data storage, imaging, and more.

1. Uses of Magnets

2. Magnets
Uses of
Magnets
Magnets are used for several purposes and in many devices.

3. Mariner’s Compass
Uses of
Magnets
Magnets are used in magnetic compasses, which are used to find the
direction. A mariner’s compass consists of a pivoted magnetic needle.
It is used by sailors for navigation.

4. Electricity Meters
Uses of
Magnets
Electricity meters, refrigerator doors and the dynamos of
bicycles and automobiles use magnets.

5. Dynamos of Bicycles
Uses of
Magnets
Electricity meters, refrigerator doors and the dynamos of
bicycles and automobiles use magnets.

6. Audio/Video Tapes
Uses of
Magnets
Magnetic tapes used as audio and video tapes consist of a
magnetic material coated on a plastic tape.

7. Computer Hard Disks
Uses of
Magnets
Computer hard disks used in computers to store information consist of a
magnetic material coated on plastic disks.

8. NMR Imaging
Uses of
Magnets
Nuclear Magnetic Resonance (NMR) imaging is used to study the brain.

9. Bulletin Boards
Uses of
Magnets
Magnets are used in bulletin boards and toys.

10. Credit Cards
Uses of
Magnets
Magnetic strips are used in credit cards and ATM cards to store information.

11. Scrap Management
Uses of
Magnets
Magnets are used to pick up iron pieces from junk.

12. This presentation is a result of my experiences while I was
helping out my son with his school assignments and project
work. I am happy to share this with other students and their
parents. Hope you find this informative and useful. Thank you.
- Prashant Mahajan -
All pictures belong to their original authors, photographers.