Quiz 6

4. Solar tracking devices for PV cells that are one-axel can be N-S, E-W, or _________.
7. The most solar panels are produced in the country of _________.
9. The n-type side of PV cells are doped with __________.
11. Factors that affect how much sunlight a location gets are climate, season, time, and _________.
13. The p-type side of PV cells are doped with _________.
14. These are flat, solar tracking mirrors used at large electricity generating plants.
15. Dish-shaped concentrators each collect sunlight to power a ________ engine.
16. These types of solar concentrators pose a hazard to birds. (two words)
17. This is the name of the solar concentrator next to Interstate 5 in the Mojave Desert.
20. The ___________ zone of PV cells contains an internal electric field.
21. PV cell applications include home installations, large arrays by utility companies, and use on ________.
23. At noon on the winter solstice the Sun is about __________ three degrees lower than at noon on the Spring Equinox.

1. PV cells are made of crystalline __________.
2. Linear concentrators use long ___________-shaped curved mirrors.
3. To utilize sunlight for home heating, large windows should be oriented towards the _________.
5. The most efficient PV cells have _______ _______ tracking. (two words)
6. Most commercially available PV cells are between 6-________ percent efficient.
8. Solar collectors built in America can pose a threat to an endangered species of desert ________.
9. "PV" is an abbreviation for __________.
10. PV cell construction is __________ by the Chinese government, making them more affordable.
12. Solar ________ technology uses concentrated sunlight to heat a fluid used to make steam.
16. This type of solar design contains no moving parts.
18. Besides China, the country of _________ produces the most electricity from solar power.
19. Linear concentrators that use many thin, long, flat mirrors have a _________ design.
22. Solar tracking greatly affects PV efficiency during both morning and ________ hours.