crossword 1

12345678
Across
  1. 2. electrical device that may blow.
  2. 4. device that reduces electrical signal's amplitude.
  3. 5. unit of electrical capacitance.
  4. 6. electrical device that purifies air.
  5. 7. electrical device named after its inventor.
  6. 8. increases or decreases voltage level.
Down
  1. 1. stores electrical energy temporarily in an electric field.
  2. 3. device for converting sound waves into electrical energy.