The principle in which a solar cell operates
Answers
✔Solar cells are the basic units that make the solar panels.
〰️》These cells are made of semiconductor materials, the most widely used being silicon. They make use of the concept of photovoltaic effect to generate electricity. “Photo” stands for light and “Voltaic” stands for electricity. When incident radiation is above a certain frequency and falls on the panel, energy from the light is transferred to the electrons of silicon (N-type side), and this results in the electrons breaking free. Once that happens, they start moving because of the circuit’s electric field and this unidirectional movement of charges produces electricity.
〰️》This current, together with the cell's voltage (which is a result of its built-in electric field or fields), defines the power (or wattage) that the solar cell can produce.Solar cells (silicon wafers) are arranged and plated together to make standard sizes of solar panels that are used in industry. These standard sizes of panels generally have 60-72 solar cells within them.
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Answer:
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Photovoltaic action.
Silicon crystals are laminated into n-type and p-type layers, stacked on top of each other. Light striking the crystals induces the “photovoltaic effect,” which generates electricity. The electricity produced is called direct current (DC) and can be used immediately or stored in a battery.
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