Electrical energy

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Across
  1. 5. : Electron
  2. 7. : Cell
  3. 8. : Resister
  4. 9. : Lightning
  5. 10. electricity : Current
Down
  1. 1. : Proton
  2. 2. : Battery
  3. 3. energy : Electrical energy
  4. 4. : Atom
  5. 6. : Electricity