Chapter 2 Electricity

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Across
  1. 7. A unit of resistance
  2. 9. An instrument used to measure current, voltage or resistance
  3. 10. A unit of current
  4. 11. An electrical component that is made from more than one electric cell
  5. 13. The property of an object that opposes current Resistor An electrical component that provides resistance Series circuit A circuit with a single path for current to pass through Switch An electrical component that closes and opens the circuit it is connected to
  6. 14. A circuit with two or more paths for current to pass through
Down
  1. 1. A path made up of wires and/or electrical components, where current can pass through
  2. 2. An instrument used to measure voltage Watt A unit of power
  3. 3. A safety device that melts (blows) and breaks the circuit when the current becomes too large
  4. 4. The rate of flow of electrical charges in a closed circuit Effective resistance The resistance across all electrical components in a circuit
  5. 5. The amount of energy converted and/or transferred in one second
  6. 6. An instrument used to measure current
  7. 8. A unit of electrical energy Lamp An electrical component that produces light when a current passes through it
  8. 11. An electrical component that produces sound when a current passes through it
  9. 12. An electrical component that is a power source