An Electromagnet The Flow Of Electric Current Produces A Magnet and Its Applications

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Magnet and Its Applications

In the search for more efficient transportation techniques, energy and power generation, magnetic technology is gaining significant importance in today’s world. Along with the invention of fire and the wheel, the invention of the magnet is considered one of the greatest achievements.

Available in various shapes and sizes, for home as well as industrial use, a magnet is a material that creates an invisible field called a magnetic field, which is used to attract ferrous objects. The two primary types of magnets are permanent magnets and electromagnets. Permanent magnets are made from magnetic materials with a magnetic field. On the other hand, an electromagnet is one that consists of a coil of wire, which behaves like a magnet when current is passed through it.

Nowadays, magnets are used in many application areas. The modern world is so dependent on magnets that their current can stop in their absence. There is nothing wrong in saying that magnets are almost indispensable for the existence of the present world.

Various applications of magnets

  • In industries, magnets are used in various devices such as pulleys, separators, sweepers and welding equipment. They are the driving force behind electric motors and generators.
  • They are used in audio cassettes, floppy disks and hard disks, the entire data is recorded on a thin coating film.
  • Another use is in the healthcare sector where hospitals are using magnetic resonance imaging techniques to scan organs and perform various surgeries.
  • Magnets are commonly used in magnetic therapy devices such as magnetic waist belts, magnetic mattresses, magnetic massagers, knee magnets, etc.
  • The whole concept of a maglev train is based on the repulsion between electromagnets. Due to repulsion alone, the train floats above the track at high speed.
  • Some appliances, which are common in homes today, use magnets. These devices include headphones, speakers, refrigerators, televisions, water pumps, radios, telephones, etc.
  • Nowadays, magnets are used for certain types of jewelry like necklaces, bracelets, earrings and pendants.
  • Credit, debit and ATM cards commonly used today are based on magnetic technology. They have a magnetic strip that contains all the necessary information.
  • Other various uses of magnets include compasses, vinyl magnet sheets, science projects, toys, tools, fail-safe devices, etc.

To learn about different types of magnets and magnetic products, you can browse magnets and magnetic accessories.

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