You can even cook an egg on the sidewalk if it gets hot enough. That is an example of passive solar power. Passive solar homes have a way to collect the sun rays such as double glazed windows and then have a way to store and re-circulate the air through the house. The sun is one of the greatest sources of free energy that mother nature has given us. There is enough energy that comes from the sun to power our homes for our everyday needs, the problem is that for us to get the power that we need have to spend around $3000 – $5000 to have a solar power grid installed. The chemical element silicon is actually important for solar panels to work because silicon is the most common matter used for solar cells. When the sun’s rays touch the solar cells, the sunlight is converted into electric energy. However, it needs a positive charge in order to actually produce usable electricity. In order to create a positive charge, the element silicon should mix with another element that can offer three electrons like boron. The combination of silicon and boron still has another position left for one more electron and these would basically produce a positive charge. You might also be wondering what properties does sunlight have that can essentially create electricity.If you connect these two wires into a direct current motor, it will make the motor rotor rotate, thereby electricity is produced. These electric energy can then be stored into a battery where you can use the power during the night. What are the factors you will need to consider in using Solar Power Panels at home? One most important factor is its efficiency.
Source: wind turbines