Electromagnets

• Electromagnets


  type of magnets which the magnetic field is produced by an electric current
• Magetic field is formed around the wire when electric flows
• Copper is the metal wired used in the electromagnets
• When an electric current flows through a metal, it will make a magnetic field
• uses of electromagnets


  • Alarmbells
  • Cranes
  • Electric motors
  • Relay switches
  • Loud speakers