Electromagnetism Crossword Puzzle

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Across
  1. 6. The invisible area around a magnet where magnetic forces can be detected.
  2. 9. The SI unit used to measure electrical resistance.
  3. 10. A fundamental property of matter that can be positive or negative.
  4. 12. The SI unit of electric charge.
  5. 13. The opposition to the flow of electric current.
  6. 14. The SI unit used to measure voltage.
Down
  1. 1. An electric current that periodically reverses its direction.
  2. 2. An electric current that flows in only one constant direction.
  3. 3. An object that produces a magnetic field and can attract materials like iron or steel.
  4. 4. The electric potential difference between two points, which acts as the "push" behind the current.
  5. 5. An instrument containing a magnetized pointer that shows the direction of magnetic north.
  6. 7. A material that allows electricity to flow through it easily.
  7. 8. The SI unit used to measure electric current.
  8. 11. The flow of electric charge through a conductor.