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Across
  1. 2. Opposition to electric flow
  2. 5. Unit of electric charge
  3. 6. Device generating electricity from fuel
  4. 9. Unit of electric current
  5. 12. Circuit with single current path
  6. 13. Corrosion of iron in moist air
  7. 14. Spontaneous electrochemical cell
  8. 16. Unit of potential difference
  9. 18. Difference in electric potential
  10. 19. Converts chemical to electrical energy
  11. 21. Electric energy per charge
  12. 23. Complete electrical path
  13. 25. Reference condition for measurement
Down
  1. 1. Circuit with multiple paths
  2. 3. Electrode where oxidation occurs
  3. 4. Unit of electrical resistance
  4. 7. Metal degradation due to oxidation
  5. 8. Formation of protective oxide layer
  6. 10. Rate of energy transfer
  7. 11. Nonspontaneous electrochemical cell
  8. 15. Electrode where reduction occurs
  9. 17. Voltage difference between electrodes
  10. 20. Conductor for electric current in cell
  11. 22. Flow of electrons
  12. 24. Unit of power