Electricity Revision Crossword

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Across
  1. 4. Things that has a very high resistance
  2. 9. AC
  3. 13. conducts electricity around the circuit
  4. 14. Current times Voltage
  5. 15. The best physics teacher in the world.
  6. 16. Resistors that behave like one-way valves or one-way streets
  7. 18. allows currents to flow in the circuit when it is closed
Down
  1. 1. Unit of electric charge
  2. 2. Things that flows electrons
  3. 3. measures voltage
  4. 5. The piece of wire which melts if the current is too high
  5. 6. current times Resistance
  6. 7. DC
  7. 8. Power times time
  8. 10. How good current can pass through
  9. 11. measures current
  10. 12. Current times time
  11. 17. Inkjet printers and Photocopiers are all uses of which electricity?