Question

what is solar cell ?​

Answer 1

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Answer...

A solar cell is a device used to convert light energy to electricity.

It is also known as Photovoltaic cell as it works on the phenomenon of Photovoltaic effect.

The material used is always a semi conductor.

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Answer 2

A system that directly engulfs the sunlight into electricity is called a solar cell. In 1954 the first practical solar cell with selenium was made. This solar cell will convert to electricity only 1 per cent of solar energy.

Modern solar cells have average efficiency of 25℅. Solar cells today are typically made from semiconductors, such as silicon and gallium.

A single, 4cm^2-area silicon solar cell produces a potential difference of about 0.5-1 volt and can generate about 0.7 watts of electricity. This is because of this that photovoltaic cells are sometimes called solar cells.