Everyday items that use solar energy!
Solar-powered devices use sunlight to generate electricity. They work by using photovoltaic cells, which convert sunlight into electricity.
Some everyday items that use solar energy:
- 1Solar chargers for mobile phones
- Solar-powered calculators
- Solar batteries for outdoor lighting
- Solar powered watches
- Solar panels on the roof of the house
- Solar water heaters
- Solar powered garden fountains
Solar batteries for outdoor lighting:
These systems consist of a small solar panel, a battery, and an LED lamp.
Working principle:
- During the day, a solar panel collects solar energy and converts it into electricity.
- This energy is stored in the battery.
- When it gets dark, the sensor activates the lighting.
- During the night, the LED lamp uses the energy stored in the battery.
Advantages: Energy efficient, does not require connection to the electrical grid, and is easy to install.
Solar panels on the roof of the house:
This is a larger system consisting of several large solar panels, an inverter, and sometimes batteries for energy storage.
Working principle:
- Solar panels collect solar energy and convert it into direct current.
- An inverter converts direct current into alternating current, which is used in the home.
- Excess energy can be transferred to the power grid or stored in batteries.
Advantages: reduces electricity costs, is environmentally friendly, can provide a complete energy supply for the house.
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