Electricity in the home

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Across
  1. 4. Current flows in one direction
  2. 7. The brown wire - P.D is 230V
  3. 10. Decrease P.D
  4. 12. Current repeatedly changes direction
  5. 14. Charge is measured in
Down
  1. 1. Cables and transformers
  2. 2. Increase P.D
  3. 3. Time is measured in
  4. 5. The blue wire - P.D is 0
  5. 6. Power is measured in...
  6. 8. Energy is measured in
  7. 9. The green and yellow - P.D is 0
  8. 11. Resistance is measured in
  9. 13. Current is measured in...