Electricity

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Across
  1. 2. a wire that has 0V completing the circuit from the appliance back to the power supply
  2. 5. instrument to measure current
  3. 7. the ratio of potential difference across a conductor to the current flowing through it
  4. 8. melt when there is excessive current flow
  5. 10. unit of electrical energy
  6. 12. instrument to measure potential difference and emf
  7. 15. work done per unit charge around a complete circuit
  8. 16. when components are arranged in one path only
  9. 18. unit of potential difference
Down
  1. 1. when components are arranged in more than one paths
  2. 3. a wire that carry 240V from the power supply to the appliance
  3. 4. rate of flow of charge
  4. 6. unit of charge
  5. 9. a wire connecting the metal casing to the ground
  6. 11. unit of electrical power
  7. 13. unit of resistance
  8. 14. a variable resistor
  9. 17. flow from negative terminal to the positive terminal