Crossword 1 - Set 2

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Across
  1. 3. Device that converts AC to DC
  2. 4. SI unit of electric charge
  3. 5. An acronym for software used for technical drawing and design
  4. 7. A substance with a pH value greater than 7
  5. 8. The unit of electrical resistance, named after a German physicist
  6. 9. Theory explaining universe expansion
Down
  1. 1. The unit of electrical power
  2. 2. The force that opposes motion between two surfaces
  3. 3. Indian mathematician known for infinite series
  4. 6. Programming language named after coffee