Solar Energy Multiple Choice Questions and Answers for Practice

16. How does solar energy impact the environment?

1. Increases pollution
2. Reduces carbon footprint
3. Destroys habitats
4. Increases greenhouse gases

17. What is net metering in the context of solar energy?

1. Buying solar panels
2. Selling excess energy back to the grid
3. Monitoring solar panel health
4. Shading solar panels

18. Which type of solar panel is the most efficient?

1. Monocrystalline
2. Polycrystalline
3. Thin-film
4. Amorphous

19. What does PV stand for in solar energy?

1. Potential Voltage
2. Photovoltaic
3. Power Voltage
4. Pulse Variation

20. What is the main purpose of a solar charge controller?

1. To increase voltage
2. To prevent overcharging batteries
3. To convert AC to DC
4. To clean solar panels

21. What is concentrated solar power (CSP)?

1. Using lenses to focus sunlight
2. Using mirrors to focus sunlight
3. Using solar panels
4. Using solar water heaters

22. What is a heliostat used for in solar energy?

1. Tracking the sun's movement
2. Heating water
3. Generating wind energy
4. Storing energy

23. Which of the following is a drawback of solar energy?

1. Unlimited energy source
2. Generates waste
3. Weather dependent
4. Produces radiation

24. What is the function of a solar tracker?

1. Stores energy
2. Converts DC to AC
3. Adjusts the angle of solar panels
4. Cleans solar panels

25. What does the term "solar irradiance" refer to?

1. Solar energy stored
2. Solar energy lost
3. Solar energy reaching Earth's surface
4. Solar energy produced by the sun

26. What is the role of solar energy in reducing climate change?

1. Increases CO2 emissions
2. No impact
3. Reduces CO2 emissions
4. Increases pollution

27. Which sector can benefit the most from solar energy?

1. Agriculture
2. Information Technology
3. Mining
4. Transportation

28. What is a photovoltaic (PV) cell?

1. A type of battery
2. A cell that converts sunlight into electricity
3. A cell that stores solar energy
4. A device that tracks the sun

29. What is a solar panel array?

1. A single solar panel
2. A group of solar panels connected together
3. A solar battery
4. A solar water heater

30. What is one of the key challenges of solar energy?

1. Abundance of resources
2. Lack of sunlight at night
3. High efficiency
4. Low cost