AC Generator Effect (HT only)

• What is an alternating current generator?

  A device that produces a potential difference
• What does a simple AC generator consist of?

  A coil of wire rotating in a magnetic field
• What type of AC generator is used to keep the battery charged?

  An alternator
• What is the purpose of an alternator?

  To keep the battery charged and run the electrical system
• How does the movement of the coil in a magnetic field affect the potential difference?

  It induces a potential difference in one direction
• What happens to the induced potential difference as the coil rotates?

  It reverses direction as the rotation continues
• What does the induced potential difference in the coil depend on?

  The direction of the coil's movement
• What does the continuous rotation of the coil result in?

  A constantly changing induced current
• What is the significance of the alternating current produced by the alternator?

  It provides a current that is constantly changing
• What are the components of a simple AC generator?

  • Coil of wire
  • Magnetic field
  • Rotating mechanism
• How does the alternator function in a vehicle?

  • Keeps the battery charged
  • Powers the electrical system
  • Converts mechanical energy to electrical energy
• What is the effect of the coil's rotation on the induced potential difference?

  • Induces potential difference in one direction
  • Reverses direction as rotation continues
  • Results in a constantly changing current
• What is the role of the magnetic field in an AC generator?

  • Provides the necessary environment for induction
  • Interacts with the coil to induce current
  • Essential for the operation of the generator