1.

What is Solar cell panel ? Name two materials used for making solar cell. Write two limitations of solar cells.

Answer»

Solution :Solar cell PANEL comprises of a large number of solar cells and can PROVIDE a much HIGHER power for many uses.
Two materials used for making solar cell are GALLIUM and Silicon.
Limitations of Solar cells-
(i) It is not available in night and on a cloudy day.
(II) Energy reaching the surface is very much diffused, so direct utility is limited.


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