Solar Energy

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Across
  1. 5. direct conversion of light into electricity
  2. 6. energy resulting from the flow of charged particles
  3. 8. energy transmitted from the sun's radiation
  4. 9. material through which electricity is transmitted
  5. 12. elementary particle of an atom with a negative electrical charge
Down
  1. 1. unit of power equal to 1 billion Watts
  2. 2. unit of electrical current or rate of flow of electrons
  3. 3. unit of measure of electrical force
  4. 4. semi‐metallic chemical element that makes an excellent semiconductor
  5. 7. process of adding electrical energy to a battery
  6. 10. single unit of an electrochemical device
  7. 11. British Thermal Unit(abbreviation)
  8. 12. capability of doing work