P4 and 5

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Across
  1. 6. A device that displays voltage signals as a wave, showing the variation of voltage over time.
  2. 7. A diode which can emit light.
  3. 11. A resistor whose resistance decreases as temperature increases.
  4. 13. The brown wire in a plug
  5. 15. A tiny negative particle that orbits the nucleus of atoms.
  6. 16. Potential difference divided by Current
  7. 17. the wire in a mains cable used to connect the metal case of an appliance to the ground.
  8. 18. A circuit where current is constant but the potential difference is split.
Down
  1. 1. A circuit where current is split but potential difference is the same.
  2. 2. a thin wire that melts and cuts the current off if too much current passes through it.
  3. 3. The charge of an object that's lost electrons.
  4. 4. Potential difference multiplied by Current
  5. 5. The blue wire in a plug
  6. 7. A resistor whose resistance changes based on light intensity.
  7. 8. An electric component that only allows current to flow in one direction.
  8. 9. The charge of an object that's gained electrons.
  9. 10. electric current in a circuit that repeatedly reverses its direction
  10. 12. A charged atom or molecule.
  11. 14. electric current in a circuit that is in one direction only.