Electricity in the home

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