Electricity

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Across
  1. 2. when the components are in separate loops
  2. 4. Connections in a circuit
  3. 6. unit for resistance
  4. 8. device used to measure potential difference
  5. 10. electrical charge is measured in this unit
  6. 11. safety mechanism in a plug
  7. 12. electrical current is measured in this unit
Down
  1. 1. used to change potential difference in the national grid
  2. 3. how hard it is for current to flow
  3. 5. current X potential difference
  4. 7. when all the components in a circuit are in one loop
  5. 9. blue wire in a plug