Electrons and electronics: component crossword

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Across
  1. 2. The other half of another word in this crossword to make a device that can split the voltage.
  2. 3. The ability to, or a store of (electrical) energy.
  3. 5. A clever device that uses a magnetic field to turn it off or on.
  4. 7. The ratio of IC to IB.
  5. 8. This component only lets current flow in one direction.
  6. 9. The part of a transistor where the current comes in.
  7. 10. If the temperature decreases, the resistance of this goes up.
  8. 11. If the light intensity increases, the resistance of this goes down.
Down
  1. 1. A component that controls a large current being 'switched' on from a smaller current.
  2. 4. A material that is neither a great insulator nor a great conductor, of electrical current.
  3. 6. A component that stores charge, briefly.
  4. 11. A diode that emits light.