Who Invented What

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Across
  1. 1. Alessandro ____ invented the battery
  2. 7. Ohms
  3. 9. capacitor
  4. 11. Heinrich ____ existence of radio waves
  5. 12. Michael ____ magnetic induction
Down
  1. 2. Georg ___ the concept of electrical resistance
  2. 3. Andre-Marie ____ current unit of measure named for him
  3. 4. Thomas ____ DC
  4. 5. John Ambrose _____ invented the diode
  5. 6. V
  6. 8. I
  7. 10. Nickol _____ AC