Lakhmir Singh & Manjit Kaur - Physics

Book: Lakhmir Singh & Manjit Kaur - Physics

Chapter: 3. Sources of Energy

Subject: Physics - Class 10th

Q. No. 21 of Short Answer Type Questions-Pg-140

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State the advantage and disadvantage of using solar cells.

Advantages of using solar cells are:

●Electricity produced by solar cells is clean and silent.

●Photovoltaic systems are quiet and visually unobtrusive.

●Small-scale solar plants can take advantage of unused space on rooftops of existing buildings.

●Solar energy is a locally available renewable resource.

Disadvantage of using solar cells are:

●Some toxic chemicals, like cadmium and arsenic, are used in the PV production process.

●Solar energy is somewhat more expensive to produce.

●Solar power is a variable energy source, with energy production dependent on the sun.

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