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Motors and Generators

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  • What type of energy is converted into electrical energy in a generator?
    kinetic energy
  • What part of a motor experiences a force due to the magnetic field and current?
    the coil (or wire)
  • what type of current does an alternator produce?
    alternating
  • What is one way to increase the output of a generator?
    Use more coils / spin faster / use a stronger magnet (accept any)
  • What happens to the direction of motion in a motor if the current is reversed?
    reverses
  • What rule is used to predict the direction of induced current in a generator?
    Fleming's right hand rule
  • what type of current does a dynamo produce?
    direct
  • What happens to the induced current if the magnet is moved faster in a coil?
    it increases
  • what type of commutator does an alternator use?
    slip ring
  • What is the purpose of a commutator in a motor?
    to reverse the current every half turn
  • What type of energy is converted into kinetic energy in a motor
    electrical
  • What rule is used to predict the direction of force in a motor?
    Fleming’s Left-Hand Rule
  • what type of commutator does a dynamo use?
    split ring
  • What happens to the direction of induced current if the magnet is reversed in a generator?
    reverses
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