Mains Electricity Edexcel IGCSE 2024

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Across
  1. 7. usally has no current and is only there to protect you if a electrical fault occurs.
  2. 9. the unit used to measure the amount of energy used per unit time
  3. 10. AC referes to the fact that the current flows........... every 50Hz.
  4. 13. the SI unit name for measuring current.
  5. 15. the SI unit name for energy.
  6. 16. the SI unit for power.
  7. 17. The SI unit name for measuring frequency.
Down
  1. 1. electrical wires are covered by........ to prevent electrification.
  2. 2. carries current to the appliance.
  3. 3. ohms law
  4. 4. current (DC) a type of energy found in batteries.
  5. 5. kilo Watt per hour abreviation.
  6. 6. unit used to measure the energy output from a battery or cell.
  7. 8. current (AC) a type of electricity produced.
  8. 11. the flow of electrons in a closed circuit.
  9. 12. the unit used to measure the resistance.
  10. 14. electrical saftey device.