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How Does Solar Panel work?
1. What is a solar panel?
A solar panel is a device that harnesses the power of the sun to generate electricity. It is made up of photovoltaic (PV) cells, which convert sunlight into direct current (DC) electricity.
2. How do solar panels work?
When sunlight hits the solar panel, it is absorbed by the PV cells. The energy from the sunlight excites the electrons in the cells, causing them to break free from their atoms and flow through the material of the cell. This creates a flow of electron, which can be captured and used to generate electricity.
3. What happens to the electricity after it is generated?
The DC electricity generated by the solar panel is sent through an inverter, which converts it into alternating current (AC) electricity, the form of electricity used in the power grid. The AC electricity is then sent to the building's electrical system and can be used to power lights, appliances, and other devices.
4. What are the different types of solar panels?
There are two main types of solar panels: monocrystalline and polycrystalline. Monocrystalline panels are made from silicon crystals and are more efficient but also more expensive. Polycrystalline panels are made from melted silicon and are less efficient but more affordable.
5. How efficient are solar panels?
The efficiency of solar panels varies depending on various factors, including the type of panel and the amount of sunlight it receives. In general, the efficiency of a solar panel ranges from 15% to 25%. This means that for every 100 watts of sunlight that hits the panel, 15 to 25 watts of electricity can be generated.
In conclusion, solar panels work by converting sunlight into electricity through the use of PV cells. The generated electricity is then converted into AC electricity and used to power buildings and appliances. Solar panels come in different types and vary in efficiency.
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