Quiz 6

5. The most efficient PV cells have _______ _______ tracking. (two words)
8. The p-type side of PV cells are doped with _________.
11. Solar tracking greatly affects PV efficiency during both morning and ________ hours.
12. "PV" is an abbreviation for __________.
14. PV cells are made of crystalline __________.
16. This is the name of the solar concentrator next to Interstate 5 in the Mojave Desert.
18. The ___________ zone of PV cells contains an internal electric field.
21. This type of solar design contains no moving parts.
22. These are flat, solar tracking mirrors used at large electricity generating plants.
24. Besides China, the country of _________ produces the most electricity from solar power.

1. The most solar panels are produced in the country of _________.
2. The n-type side of PV cells are doped with __________.
3. These types of solar concentrators pose a hazard to birds. (two words)
4. PV cell construction is __________ by the Chinese government, making them more affordable.
6. Solar collectors built in America can pose a threat to an endangered species of desert ________.
7. Linear concentrators that use many thin, long, flat mirrors have a _________ design.
9. Factors that affect how much sunlight a location gets are climate, season, time, and _________.
10. PV cell applications include home installations, large arrays by utility companies, and use on ________.
13. Linear concentrators use long ___________-shaped curved mirrors.
14. Dish-shaped concentrators each collect sunlight to power a ________ engine.
15. Most commercially available PV cells are between 6-________ percent efficient.
17. At noon on the winter solstice the Sun is about __________ three degrees lower than at noon on the Spring Equinox.
19. To utilize sunlight for home heating, large windows should be oriented towards the _________.
20. Solar ________ technology uses concentrated sunlight to heat a fluid used to make steam.
23. Solar tracking devices for PV cells that are one-axel can be N-S, E-W, or _________.