P3 Code Breaker Electricity Crossword

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Across
  1. 4. This slows down the current in a electrical circuit.
  2. 7. This component's circuit symbol is drawn as an empty rectangle with an arrow pointing through it diagonally.
  3. 8. When a circuit has a single loop, this is called a .............. circuit.
  4. 10. This component's circuit symbol is drawn as a circle with an X inside it.
  5. 11. This type of transformer will ........-......... the voltage from low to high.
  6. 16. When looking at magnetic field lines in a laboratory, a physicist can use plotting ..................... around a bar magnet to draw the field lines.
  7. 18. If a component has a fixed value of resistance, it is said to obey Ohm's ..................
  8. 20. When two objects are oppositely charged, they will ...............
  9. 22. These have a north and a south pole.
  10. 24. This is the unit of time.
  11. 25. When looking at magnetic field lines in a laboratory, a phycisist can sprinkle ............ filings around a bar magnet to show the field lines.
  12. 26. This component's circuit symbol is drawn as an empty rectangle.
  13. 29. This is the unit of power.
  14. 30. This is created when charges flow around an electrical circuit.
  15. 31. The Earth's core is magnetic, which generates a magnetic ............. around the Earth.
Down
  1. 1. This is the unit of work done (or energy).
  2. 2. This provides the push in an electrical circuit.
  3. 3. When two objects are the same charge, they will ...............
  4. 5. In a series circuit, the voltage of each component will .......... up to the voltage of the power supply.
  5. 6. When a circuit has more than one loop, or several branches, this is called a .............. circuit.
  6. 8. This type of transformer will ........-......... the voltage from high to low.
  7. 9. This particle, found around the nucleus of atoms, has a negative charge.
  8. 12. When an object gains electrons, it gains a ............... charge.
  9. 13. This type of electricity is created when pairs of objects lose or gain electrons.
  10. 14. This is the unit of voltage
  11. 15. This is the unit of current
  12. 17. In a parallel circuit, the current will ............ along each branch.
  13. 19. This is used to measure current in an electrical circuit.
  14. 21. Protons and electrons have these, neutrons do not have this .
  15. 23. When an object loses electrons, it gains a ............... charge.
  16. 27. This is the unit of resistance.
  17. 28. When plotting the graph of voltage against current for a fixed resistor, the line that is drawn will be a ................ line.
  18. 30. This is the unit of charge.