Introduction to DC Motors

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Across
  1. 4. This is the two permanent magnets on the sides of the motor.
  2. 6. The brushes do ____ rotate.
  3. 7. A motor is used to convert electrical power to _________ power
  4. 9. __________ left hand rule concerning current, magnetic field and force.
  5. 10. To increase the speed of the rotations, you can use __________ magnets.
  6. 11. The spinning force on the armature.
  7. 12. The commutator is an electrical ________.
  8. 13. Another word for rotations is ________ motion.
  9. 18. This is another name for armature.
  10. 19. The metal loop that spins in a motor.
  11. 20. This is the most important principle of a DC motor.
  12. 22. This is another term for stator (two words).
Down
  1. 1. the stator does ______ move.
  2. 2. More wires in the armature loop makes the electromagnet _________.
  3. 3. This is a band made up of copper segments that spins with the rotor
  4. 5. These bring the connection form the power source to the commutator.
  5. 8. This is the metal rod that is in the center of the motor.
  6. 14. The important principle of a magnet: opposites _________
  7. 15. The axle transmits ______ out of the motor.
  8. 16. A commutator's purpose is to change the direction of the ___________.
  9. 17. Brushes are _______ loaded to keep constant contact with the commutator.
  10. 21. This is another term for axle.