E & M

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Across
  1. 1. Device in a motor that reverses current direction to maintain rotation
  2. 3. Rule for finding the direction of induced current
  3. 7. Device used to step up or step down AC voltage
  4. 8. Current that changes direction periodically
  5. 12. Circuit where components share the same current
  6. 14. Mains electricity wire for safety, preventing electric shock
  7. 18. Scientist who discovered electromagnetic induction
  8. 19. Conductive contacts transferring current between stationary and rotating parts
  9. 20. Safety device that melts to break the circuit when current is too high
  10. 23. Transformer that decreases voltage
  11. 24. Rule for finding the direction of force on a current-carrying conductor in a magnetic field
  12. 25. Device in an AC generator to transfer current to the external circuit
  13. 26. Law stating that induced current opposes the change causing it
Down
  1. 2. Relationship between voltage, current, and resistance
  2. 4. Current that flows in one direction only
  3. 5. Circuit where components share the same voltage but have separate paths
  4. 6. Mains electricity wire completing the circuit
  5. 9. Opposition to the flow of electric current
  6. 10. Transformer that increases voltage
  7. 11. Switch that automatically opens when current exceeds a safe level
  8. 13. Rule used to determine the direction of a magnetic field around a conductor
  9. 15. Rotating coil in an electric motor or generator
  10. 16. Voltage produced by a changing magnetic field
  11. 17. Temporary magnet made by passing current through a coil
  12. 21. Common plug design with live, neutral, and earth pins
  13. 22. Mains electricity wire carrying current to the appliance
  14. 25. Coil of wire that produces a magnetic field when current flows