Solar Energy Quiz: MCQ Facts Trivia!

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Questions: 11 | Attempts: 730

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Solar Energy Quiz: MCQ Facts Trivia! - Quiz

Solar energy is bright light and heat harnessed using a range of ever-evolving technologies such as solar heating, solar thermal energy, solar architecture, molten salt power plants, and artificial photosynthesis. It is a crucial source of renewable energy. If you are curious to know more about solar energy, then this is the quiz for you.


Questions and Answers
  • 1. 

    If all the energy of the sun shining on the Earth's land mass could be harnessed, it would be enough to meet the world's power needs how many times over?

    • A.

      6 times

    • B.

      60 times

    • C.

      600 times

    • D.

      6000 times

    Correct Answer
    D. 6000 times
    Explanation
    The sunshine on the Earth's land is estimated to be 120,000 terawatts (trillion watts), or about 6,000 times the world's estimated 20-terawatt electricity demand by 2020.

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  • 2. 

    When was the first discovery that certain metals produced an electric current when exposed to light?

    • A.

      1752

    • B.

      1839

    • C.

      1893

    • D.

      1935

    Correct Answer
    B. 1839
    Explanation
    French physicist Alexandre-Edmond Becquerel noticed the effect when working with metal electrodes in an electrolyte solution, but he couldn't explain why.

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  • 3. 

    What were researchers originally trying to achieve when they developed the first practical photovoltaic (PV) cell in 1954?

    • A.

      A new power source for telephone systems

    • B.

      A power source for remote desert locations

    • C.

      A power source with no carbon dioxide emissions

    • D.

      A power source that allowed households to get off the electrical grid

    Correct Answer
    A. A new power source for telephone systems
    Explanation
    Researchers at Bell Labs in Murray Hill, New Jersey, were interested in a power source for telephone systems that would not degrade in humid locations.

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  • 4. 

    What country has the most solar PV power, as of 2011?

    • A.

      The United States Of America

    • B.

      China

    • C.

      Germany

    • D.

      Spain

    Correct Answer
    C. Germany
    Explanation
    Germany is a world leader, with a cumulative 17,192 megawatts installed by the end of 2010. Spain is second, with 3,784 megawatts. The United States has 2,528 megawatts, behind Italy and Japan. China had 893 megawatts.

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  • 5. 

    After California, which U.S. state has the most solar power installed, as of 2011?

    • A.

      Arizona

    • B.

      Florida

    • C.

      New Jersey

    • D.

      New York

    Correct Answer
    C. New Jersey
    Explanation
    Thanks to strong state policies encouraging renewable energy, solar installations have grown strongly in New Jersey, now with 293 megawatts of installed capacity, second only to California, with 917 megawatts.

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  • 6. 

    What is essential for a rooftop PV system to work?

    • A.

      A battery

    • B.

      A connection to the electric grid

    • C.

      A rheostat

    • D.

      An inverter

    Correct Answer
    D. An inverter
    Explanation
    An inverter is needed to convert the direct current produced by the solar panels to the alternating current required by most household appliances.

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  • 7. 

    In 2010, the United States manufactured ______ percent of the world's solar PV panels?

    Correct Answer
    6
    Explanation
    The birthplace of solar PV technology produced only 6 percent of panels sold in 2010. China was an undisputed leader with 51 percent of the market, followed by Germany with 10 percent, says GTM Research.

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  • 8. 

    Photovoltaic solar energy requires:  

    • A.

      Water

    • B.

      Connection to the electricity grid

    • C.

      Wiring

    • D.

      Moving parts

    Correct Answer(s)
    A. Water
    B. Connection to the electricity grid
    C. Wiring
    Explanation
    Solar PV panels are the only means today of generating electricity without moving parts. True, they require very little water (just enough to keep surfaces clean) and can be used for living off the electricity grid, but the same is true of wind energy.

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  • 9. 

    The solar arrays on the International Space Station are the largest deployable space structures ever built. 

    • A.

      True

    • B.

      False

    Correct Answer
    A. True
    Explanation
    International Space Station Size & Mass
    Module Length: 167.3 feet (51 meters)
    Truss Length: 357.5 feet (109 meters)
    Solar Array Length: 239.4 feet (73 meters)
    Mass: 924,739 pounds (419,455 kilograms)
    Habitable Volume: 13,696 cubic feet (388 cubic meters)
    Pressurized Volume: 32,333 cubic feet (916 cubic meters)
    Power Generation: 8 solar arrays = 84 kilowatts
    Lines of Computer Code: approximately 2.3 million


    Nasa (2012) Adapted from: http://www.nasa.gov/mission_pages/station/main/onthestation/facts_and_figures.html#.UkAKKBZLe5c

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  • 10. 

    Each month, the Earth receives more energy from the Sun than all of mankind could use in an entire year. 

    • A.

      True

    • B.

      False

    Correct Answer
    B. False
    Explanation
    It is actually not each month, but each day! Time to save our usage of energy!

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  • 11. 

    Devices that convert sunlight directly into electricity are called _______.

    • A.

      Photosynthetic

    • B.

      Photosynthesis

    • C.

      Photovoltaic

    • D.

      Photo-converters

    Correct Answer
    C. Photovoltaic
    Explanation
    Photovoltaic- Sometimes referred to as "PV devices," or "solar cells," photovoltaic devices are often used in locations that are not hooked up to the electric grid.

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