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Quiz 2: Anatomy and Construction of Solar Cells and Modules

Quiz by Mr.MD Showket Hasan

Grade 9-12
Science
Tennessee Academic Standards

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20 questions
Show answers
  • Q1
    What is the purpose of the metal conductive plate in a solar cell?
    To protect the solar cell from damage
    To absorb sunlight
    To act as the positive electrode
    To store electrical energy
    30s
    CHEM2.PS3.2
  • Q2
    Which element is added to the silicon layer to create the P-type semiconductor in a solar cell?
    Boron
    Carbon
    Nitrogen
    Phosphorus
    30s
    CHEM2.PS3.2
  • Q3
    What is the function of the anti-reflective coating on a solar cell?
    To increase the cell's weight
    To enhance electrical conductivity
    To provide structural support
    To reduce sunlight reflection
    30s
    CHEM2.PS3.2
  • Q4
    In a solar module, what are the thick metal strips called that collect and carry electricity?
    Conductors
    Wires
    Fingers
    Bus bars
    30s
    CHEM2.PS3.2
  • Q5
    What is the role of the glass protective layer in a solar module?
    To protect cells from environmental damage
    To increase flexibility
    To generate electricity
    To enhance light absorption
    30s
    CHEM2.PS3.2
  • Q6
    How many cells are typically found in a residential solar module for grid-connected systems?
    60 or 72 cells
    12 or 24 cells
    100 or 120 cells
    36 or 48 cells
    30s
    CHEM2.PS3.2
  • Q7
    What material is commonly used as the semiconductor layer in solar cells?
    Silicon
    Copper
    Iron
    Aluminum
    30s
    CHEM2.PS3.2
  • Q8
    Why are the metal conductors (fingers) on a solar cell kept as thin as possible?
    To enhance flexibility
    To increase strength
    To minimize sunlight blocking
    To reduce cost
    30s
    CHEM2.PS3.2
  • Q9
    What happens at the PN junction within a solar cell?
    Light reflects away
    Electric field separates electrons and holes
    The cell heats up
    Electrical energy is stored
    30s
    CHEM2.PS3.2
  • Q10
    How does connecting multiple solar cells in series affect voltage and current in the module?
    Increases voltage only
    Keeps both the same
    Increases both
    Increases current only
    30s
    CHEM2.PS3.2
  • Q11
    What is the main advantage of monocrystalline solar cells over polycrystalline cells?
    Easier manufacturing
    Lower cost
    Higher efficiency
    Greater flexibility
    30s
    CHEM2.PS3.2
  • Q12
    Why is a charge controller necessary in a solar power system with batteries?
    Store excess electricity
    Protect battery from overcharging/discharging
    Convert DC to AC
    Increase voltage output
    30s
    CHEM2.PS3.2
  • Q13
    In solar modules, what is a "string"?
    A single cell
    Wiring to the inverter
    Protective layer over cells
    Group of modules in series
    30s
    CHEM2.PS3.2
  • Q14
    What converts DC electricity from panels into AC for home use?
    Battery
    Bus bar
    Charge controller
    Inverter
    30s
    CHEM2.PS3.2
  • Q15
    If a module produces 30 volts and 8 amps, what is its power output?
    38 watts
    150 watts
    300 watts
    240 watts
    30s
    CHEM2.PS3.2

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