Quiz 6

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Across
  1. 2. The ___________ zone of PV cells contains an internal electric field.
  2. 5. This type of solar design contains no moving parts.
  3. 7. Dish-shaped concentrators each collect sunlight to power a ________ engine.
  4. 11. PV cell applications include home installations, large arrays by utility companies, and use on ________.
  5. 13. This is the name of the solar concentrator next to Interstate 5 in the Mojave Desert.
  6. 15. Linear concentrators use long ___________-shaped curved mirrors.
  7. 17. The most efficient PV cells have _______ _______ tracking. (two words)
  8. 21. "PV" is an abbreviation for __________.
  9. 23. Solar collectors built in America can pose a threat to an endangered species of desert ________.
  10. 24. Solar tracking devices for PV cells that are one-axel can be N-S, E-W, or _________.
  11. 25. Linear concentrators that use many thin, long, flat mirrors have a _________ design.
Down
  1. 1. These are flat, solar tracking mirrors used at large electricity generating plants.
  2. 3. Solar tracking greatly affects PV efficiency during both morning and ________ hours.
  3. 4. At noon on the winter solstice the Sun is about __________ three degrees lower than at noon on the Spring Equinox.
  4. 6. Besides China, the country of _________ produces the most electricity from solar power.
  5. 8. To utilize sunlight for home heating, large windows should be oriented towards the _________.
  6. 9. PV cells are made of crystalline __________.
  7. 10. The most solar panels are produced in the country of _________.
  8. 12. The n-type side of PV cells are doped with __________.
  9. 14. PV cell construction is __________ by the Chinese government, making them more affordable.
  10. 16. The p-type side of PV cells are doped with _________.
  11. 18. These types of solar concentrators pose a hazard to birds. (two words)
  12. 19. Factors that affect how much sunlight a location gets are climate, season, time, and _________.
  13. 20. Most commercially available PV cells are between 6-________ percent efficient.
  14. 22. Solar ________ technology uses concentrated sunlight to heat a fluid used to make steam.