Electricity

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Across
  1. 1. current is measured using this unit
  2. 3. a circuit which has only one route
  3. 5. most wires are made from this metal
  4. 7. this is used to measure potential difference
  5. 9. a flow of electricity
  6. 10. this slows down the energy flowing through a circuit
  7. 12. potential difference is measured using this unit
Down
  1. 2. a circuit which has several branches
  2. 4. these flow round the circuit carrying charge
  3. 6. this is used to measure current
  4. 8. you need this to provide the energy for a circuit
  5. 11. this allows you to control whether a circuit is on or off