A) It involves thousands of tiny moving parts. B) It is simple and does not require many complex or moving parts. C) It is exclusively done by hand without automation. D) It requires a complex assembly line with heavy machinery.
A) 1 to 5 years B) 50 to 100 years C) 10 to 30 years D) 6 months to 2 years
A) By simply adding more photovoltaic components B) By painting the panels black C) By replacing silicon with copper D) By increasing the operating temperature
A) Because costs decrease with increasing output B) Because smaller systems are illegal to sell C) Because larger factories require less electricity D) Because raw materials become free in bulk
A) 25% B) 10% C) 50% D) 90%
A) Mixing plastic polymers with liquid glass B) Processing polysilicon from mined quartz until very pure C) Melting down copper ore into thin wires D) Weaving fiberglass sheets into a mesh
A) Group VII B) Group I C) Group III D) Group V
A) A pure metallic conductor B) A p-type semiconductor rich in electron holes C) An n-type semiconductor rich in free electrons D) A non-conductive ceramic insulator
A) By applying high-voltage electric shocks B) Typically using a seed crystal C) Through centrifugal spinning D) By rapid cooling in a vacuum
A) With high-powered lasers B) By chemical acid dissolution C) Using diamond-tipped scissors D) With wire saws
A) Painting and polishing B) Freezing and shattering C) Surface etching and then cleaning D) Melting and reshaping
A) A phosphorus vapor deposition furnace B) A manual paintbrush C) A high-pressure spray nozzle D) A liquid phosphorus dip tank
A) Group IV B) Group V C) Group III D) Group II
A) A p-type surface B) An isolated non-conducting surface C) A purely magnetic surface D) An n-type surface
A) To prevent water from touching the silicon B) To change the color of the panel to blue C) To reduce energy losses D) To increase the weight of the panel
A) Mounting brackets B) Glass covers C) Electrical contacts D) Cooling fans
A) They are connected via electrical circuit according to specific application and prepared for shipping B) They are submerged in saltwater to test corrosion C) They are melted down again for recycling D) They are exposed to direct sunlight for a mandatory 5-year test
A) Production produces greenhouse gas emissions B) They require continuous burning of fossil fuels to operate C) They permanently deplete the ozone layer instantly upon installation D) They emit high levels of radioactive radiation
A) There are no viable technologies for recycling solar waste. B) Solar panels biodegrade naturally within weeks. C) Recycling is mandated by international law and universally practiced. D) Solar waste is 100% recyclable easily.
A) Because human labor and water are never used in PV manufacturing B) Because the values fluctuate hourly based on the stock market C) Due to the lack of systematic and accurate analyses in the scientific literature D) Because companies keep this information completely secret by law
A) Calculating the speed of light hitting the panels B) Weighing individual photons C) Determining if wastes are released to the air, water, or soil D) Measuring the exact voltage produced by individual atoms
A) Because PV systems last forever and never reach the end of their lifecycle B) Because these are new technologies and the total environmental impact of components and disposal methods is unknown C) Because governments have banned life-cycle assessments D) Because all PV manufacturers use identical proprietary secrets
A) The number of workers employed in the factory B) Energy costs of the manufacture and/or transport C) The exact monetary profit of the manufacturing plant D) The aesthetic appeal of the solar farm
A) Carbon dioxide equivalents per kWh or energy pay-back time (EPBT) B) Total weight and melting point C) Aoe and color distortion D) Market price and resale value
A) Energy pay-back time B) Environment protection balance technology C) Electrical photovoltaic battery test D) Effective power break-even threshold
A) The timespan a PV system needs to operate to generate the same amount of energy used for its manufacture B) The time it takes for a solar panel to pay for itself in financial currency C) The lifespan of the inverter before a mandatory replacement D) The time required for the sun to set and rise again
A) Higher manufacturing complexity B) Lower environmental cost of solar power C) Higher greenhouse gas emissions D) Shorter operational lifespan
A) The political party in power in the installation country B) The time of day the panels are shipped C) The location where the PV system is installed and the type of system D) The brand name of the inverter and the color of the frame
A) Installation angles B) Operating temperatures C) Embedded energy D) Physical dimensions
A) The manufacturing of the aluminum frame B) The transport of panels via cargo ship C) The refining of the polysilicon D) The installation of mounting screws
A) Inverters and module frame B) Subterranean wiring and concrete foundations C) Manual labor and insurance fees D) Packaging and shipping materials
A) The quantity of phosphorus vapor needed B) The energy cost of manufacture C) The amount of quartz mined from the earth D) The physical weight of silicon wafers
A) Secondary Power Matrix B) Supplementary Grid Unit C) Balance of System D) Silicon Equivalent Array
A) Net energy gain (NEG) and energy returned on energy invested (EROI) B) Voltage drop and electrical resistance C) Silicon purity and wafer thickness D) Gross domestic product and inflation rate
A) The total weight of materials mined versus the weight of finished panels B) The financial profit made by selling electricity back to the utility company C) The difference between the energy expended to harvest an energy source and the amount of energy gained from that harvest D) The ratio of sunlight hours to nighttime hours in a year
A) 25 to 30 years B) 1 to 5 years C) 100 years D) 50 to 60 years
A) Rigidity B) Portability C) Scalability D) Combustibility
A) Copper B) Platinum C) Silver D) Silicon
A) Silver B) Silicon C) Carbon D) Aluminum
A) Since the 1990s B) Since the 1950s C) Since 2010 D) Since the 1970s
A) The Chinese government B) The German government C) The Japanese government D) The United States government
A) United States B) Japan C) China D) Germany
A) Fuel subsidies B) Carbon taxes C) Preferential feed-in tariffs D) Mandatory installation fees
A) Nearly twenty percent B) Nearly two percent C) Nearly five percent D) Nearly ten percent
A) First B) Second C) Fourth D) Third
A) Walter Sandtner B) Edmond Becquerel C) Alessandro Volta D) Luigi Galvani
A) The solar cell B) The battery C) The inverter D) The photovoltaic effect
A) 1839 B) 1849 C) 1989 D) 1994
A) Nikola Tesla B) Edmond Becquerel C) Alessandro Volta D) Walter Sandtner
A) A copper cable B) A metallic solution C) A semiconductor material D) A lithium battery
A) Italy B) Japan C) Germany D) France
A) Heinrich Hertz B) Edmond Becquerel C) Walter Sandtner D) Alessandro Volta
A) Tokyo B) Berlin C) Paris D) Bonn
A) 1989 B) 1839 C) 539 D) 1849
A) Standard test conditions (STC) B) Maximum load conditions (MLC) C) Peak solar radiation (PSR) D) Average weather conditions (AWC)
A) Cp B) Wp C) Vp D) Ap
A) Watt potential B) Watts peak C) Watts per-hour D) Working power
A) Large industrial factories B) Boats C) Commercial skyscrapers D) Urban power grids
A) Multimeter exclusively B) Oscilloscope C) Voltmeter only D) DC clamp meter
A) Capacitors B) Resistors C) Inductors D) Bypass diodes
A) Operational capacitance B) Output current C) Open-circuit voltage D) Optimal cell
A) Ohms B) Watts C) Amperes D) Volts
A) Working potential B) Wired panel C) Watt-power D) Watt-peak
A) 10 W B) 100 W C) 75 W D) 50 W
A) 600 W B) 450 W C) 1000 W D) 300 W
A) Photon-ionization damage B) Potential-induced degradation C) Performance-index drop D) Power-integrated device
A) Direct sunlight B) Stray currents C) Rainwater D) High temperatures
A) Cadmium B) Silicon C) Phosphorus D) Boron
A) Ten-fold B) Twenty-fold C) Two-fold D) Hundred-fold
A) Power drop ratio B) Loss coefficient C) Efficiency factor D) Degradation index
A) Thin-film B) Polycrystalline silicon C) Crystalline silicon D) Monocrystalline silicon
A) CIGS B) Cadmium telluride C) Amorphous silicon D) Micromorphic silicon
A) 500 °C B) 1500 °C C) 1000 °C D) 2000 °C
A) About 25 kilowatt-hours B) About 5 kilowatt-hours C) About 11 kilowatt-hours D) About 50 kilowatt-hours
A) 14.0% B) 10.5% C) 18.2% D) 21.5%
A) Anti-reflection film B) N-layer C) Front electrode D) P-layer
A) Fourth generation B) Second generation C) First generation D) Third generation
A) Shockley–Queisser efficiency limit B) Carnot efficiency limit C) Planck efficiency limit D) Betz efficiency limit
A) 1% B) 28% C) 4.7% D) 21%
A) 1% B) 4.7% C) 28% D) 21%
A) 1–5 mm B) 2 mm C) 50–150 nm D) Less than 1 μm
A) 30 grams B) 1 gram C) Around 18 grams D) 38 grams
A) CdTe B) Monocrystalline Si C) CZTS D) CIGS
A) Around 2 mm B) 10–20 mm C) 50–150 nm D) Less than 1 μm
A) Cu2ZnSnS4 (CZTS) B) Conventional Si C) Cadmium telluride D) Monocrystalline Si
A) EPBT method B) Shockley-Queisser method C) CoMoCAT method D) Cradle to gate method
A) Rare and toxic materials B) Heavy metals exclusively C) Earth abundant, nontoxic materials D) Cadmium-based materials
A) Celik et al. B) Shockley and Queisser C) CoMoCAT D) CIGS and partners
A) 4.7% B) 21% C) 1% D) 28%
A) 21% B) 1% C) 4.7% D) 28%
A) ~28 times higher B) ~3 times higher C) ~18% higher D) ~18 times higher
A) Value-based pricing B) Subsidized pricing C) Cost-plus pricing D) Fixed-rate pricing
A) 2024 B) 1977 C) 2011 D) 2003
A) 19 markets B) 5 markets C) 50 markets D) 100 markets
A) Government approvals B) Assumptions C) Weather data points D) Financial audits
A) Subsidies were abolished in the year 2000 B) Only state governments provide subsidies, not federal C) No, the USA strictly forbids any form of subsidy D) Yes, the USA also subsidies the industry
A) International loans from the UN B) Securitization C) Crowdfunding platforms D) Nationalization of energy grids
A) Nuclear generators B) Permanent battery storage only C) Coal-fired power plants D) Spinning reserves as back-up
A) Water credits B) Tax penalties C) Free appliances D) Extra money
A) 9,094 B) 14,447 C) 5,000 D) 1,845 |