Answer :
Final answer:
A solar panel is a device that converts sunlight into electricity using photovoltaic cells made of silicon. It plays a crucial role in renewable energy systems.
Explanation:
A solar panel is a device that converts sunlight into electricity. It is made up of multiple solar cells, also known as photovoltaic cells, which absorb sunlight and generate an electrical current. These solar cells are usually made of silicon, a semiconductor material.
The process of generating electricity from sunlight involves the physical principle called the photovoltaic effect. When sunlight hits the solar cells, it excites the electrons, causing them to move and create an electric current. This current can then be used to power various electrical devices or stored in batteries for later use.
Solar panels play a crucial role in renewable energy systems, as they provide a clean and sustainable source of electricity without producing harmful emissions. They are commonly used in residential, commercial, and utility-scale applications to harness solar energy.
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