Solar Photo tonic system

May 27 • Notes • 3445 Views • No Comments on Solar Photo tonic system

Solar Photo tonic system

Here ,we  will have an idea about what is solar cell,about its efficiency .

    Solar Cell:

  • Solar Cell is a device which is used to convert the light energy i.e., energy from sun into electrical energy.
  •  Photovoltaic cell is said to be as solar cell
  •  Silicon is the main ingredient in solar cells.
  • Solar cell is a device which is very commonly found in day-to-day uses like children toys, torches, calculators etc.

 

Solar Photo tonic system

Solar Photo tonic system

Solar cell materials:

  •  The materials of solar cell are:

I.     Monocrystalline silicon

II.      Polycrystalline silicon

III.     Amorphous silicon

IV.     Cadmium telluride

V.     Copper indium

  • Ø These materials has different efficiencies as well as costs.
  • Ø The materials used for the efficient solar cell should have characteristics which is equivalent to the spectrum of light.

 

Efficiency:

  • Ø The efficiency is defined as the ratio of the output of the solar cell to the incident energy.
  • Ø Solar cell efficiencies can be divided into many frequencies such as reflectance efficiency,thermodynamic efficiency and conductive efficiency.

 

 

Few Questions and Answers

Q1.What is a solar cell?

  1. Ans.  Solar Cell is a device which is used to convert the light energy i.e., energy from sun into electrical energy.

Photovoltaic cell is said to be as solar cell.

 

Q2. What are the materials in solar cell?

  1. Ans.  The materials of solar cell are:

I.            Monocrystalline silicon

II.            Polycrystalline silicon

III.            Amorphous silicon

IV.            Cadmium telluride

V.            Copper indium

These materials has different efficiencies as well as costs.

 

 

Q3. What do you mean by solar cell efficiency?

  1. Ans.  The efficiency is defined as the ratio of the output of the solar cell to the incident energy.

 

 

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