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Solar Energy

Solar Panels and How They Work



Solar panels are devices that are used to capture and convert sunlight into electricity. They are made up of photovoltaic cells, which are made of layers of semiconductor materials such as silicon. When sunlight hits a solar panel, the photovoltaic cells absorb the light and generate a flow of electrons, which creates an electric current.

Here is the basic process of how a solar panel works:
  1. Sunlight hits the solar panel and is absorbed by the photovoltaic cells.
  2. The energy from the sunlight is transferred to the electrons in the photovoltaic cells, causing them to flow and create an electric current.
  3. The electric current is conducted through wires to an inverter, which converts the direct current (DC) electricity produced by the solar panel into alternating current (AC) electricity.
  4. The AC electricity is sent to a breaker panel, where it is distributed to the electrical system of a home or building.
  5. Any excess electricity that is not used by the home or building is sent back to the grid through a utility meter.

Solar panels are a clean, renewable, and reliable source of electricity, and they have the potential to make a significant contribution to the world's energy needs. However, the efficiency of solar panels depends on a number of factors, including the intensity and duration of sunlight, the angle at which the panels are installed, and the type of photovoltaic cells used. In addition, solar panels require a consistent and reliable source of sunlight to generate electricity.

Video source: www.youtube.com/@TEDEd

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