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Solar Panels
  • 1. What is the main source of energy for solar panels?
A) Water
B) Sunlight
C) Coal
D) Wind
  • 2. What is the process by which solar panels convert sunlight into electricity?
A) Chemical reaction
B) Mechanical rotation
C) Photovoltaic effect
D) Thermal conduction
  • 3. Which material is commonly used in solar panels to absorb sunlight?
A) Iron
B) Copper
C) Aluminum
D) Silicon
  • 4. What is an inverter used for in a solar panel system?
A) Store excess energy
B) Convert DC electricity to AC electricity
C) Block sunlight
D) Reflect sunlight
  • 5. What is the average lifespan of solar panels?
A) 25-30 years
B) 10-15 years
C) 3-5 years
D) 40-50 years
  • 6. Which type of solar panels are most commonly used for residential installations?
A) Monocrystalline
B) Polycrystalline
C) Thin-film
D) Concentrated photovoltaics
  • 7. Which country leads in solar energy capacity installations?
A) India
B) United States
C) Germany
D) China
  • 8. Which direction should solar panels ideally face in the northern hemisphere for maximum efficiency?
A) North
B) East
C) South
D) West
  • 9. What is net metering in relation to solar panels?
A) Regulates solar panel installation costs
B) Monitors solar panel efficiency
C) Charges solar panel owners for using grid electricity
D) Credits solar panel owners for excess electricity fed back to the grid
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