Quiz 6

4. PV cells are made of crystalline __________.
5. Besides China, the country of _________ produces the most electricity from solar power.
6. To utilize sunlight for home heating, large windows should be oriented towards the _________.
9. These are flat, solar tracking mirrors used at large electricity generating plants.
10. The ___________ zone of PV cells contains an internal electric field.
12. "PV" is an abbreviation for __________.
14. This is the name of the solar concentrator next to Interstate 5 in the Mojave Desert.
17. The p-type side of PV cells are doped with _________.
18. PV cell construction is __________ by the Chinese government, making them more affordable.
19. This type of solar design contains no moving parts.
21. Factors that affect how much sunlight a location gets are climate, season, time, and _________.
23. Most commercially available PV cells are between 6-________ percent efficient.

1. Solar tracking devices for PV cells that are one-axel can be N-S, E-W, or _________.
2. Solar collectors built in America can pose a threat to an endangered species of desert ________.
3. The most efficient PV cells have _______ _______ tracking. (two words)
7. PV cell applications include home installations, large arrays by utility companies, and use on ________.
8. These types of solar concentrators pose a hazard to birds. (two words)
11. The n-type side of PV cells are doped with __________.
12. Linear concentrators use long ___________-shaped curved mirrors.
13. The most solar panels are produced in the country of _________.
15. Linear concentrators that use many thin, long, flat mirrors have a _________ design.
16. Dish-shaped concentrators each collect sunlight to power a ________ engine.
20. Solar tracking greatly affects PV efficiency during both morning and ________ hours.
22. At noon on the winter solstice the Sun is about __________ three degrees lower than at noon on the Spring Equinox.
24. Solar ________ technology uses concentrated sunlight to heat a fluid used to make steam.