Electricity

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Across
  1. 4. emits light when an electric current passes through.
  2. 5. a two terminal electronic component that conducts current primarily in one direction.
  3. 7. a type of resistor whose resistance strongly dependant on temperature.
  4. 9. an instrument used to measure a current.
  5. 10. switch provides a direct path around a circuit.
Down
  1. 1. an instrument that measures the difference in electrical potential between two point in an electric circuit.
  2. 2. a instrument that provides a source of energy.
  3. 3. an electrical component that implements electrical resistance as a circuit element.
  4. 6. something that generates an electrical current to flow round a circuit.
  5. 8. switch causes a current to not be able to flow through.