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Class XII Physics Project Sample

This project investigates the efficiency of solar cells under different light conditions, demonstrating that efficiency is highest under direct sunlight. It is based on the photovoltaic effect and involves measuring voltage and current from various light sources. The findings confirm that both the type and intensity of light significantly affect solar cell performance.

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arnavjuneja74
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209 views4 pages

Class XII Physics Project Sample

This project investigates the efficiency of solar cells under different light conditions, demonstrating that efficiency is highest under direct sunlight. It is based on the photovoltaic effect and involves measuring voltage and current from various light sources. The findings confirm that both the type and intensity of light significantly affect solar cell performance.

Uploaded by

arnavjuneja74
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
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Physics Investigatory Project

Title: Study of the Efficiency of Solar Cells Under Different Light Conditions

Index

1. Acknowledgement

2. Certificate

3. Aim of the Project

4. Introduction

5. Theory / Principle

6. Hypothesis

7. Apparatus / Materials Required

8. Experimental Setup

9. Procedure / Methodology

10. Observations

11. Calculations
Physics Investigatory Project

12. Result

13. Conclusion

14. Applications

15. Precautions

16. Bibliography

Acknowledgement

I would like to express my gratitude to my Physics teacher, school authorities, and my classmates for their

support and guidance throughout this project.

Certificate

This is to certify that [Student Name] of Class XII has successfully completed the Physics investigatory

project titled 'Study of the Efficiency of Solar Cells Under Different Light Conditions' under my supervision.

Aim of the Project

To investigate the efficiency of solar cells under different light conditions.

Introduction

Solar energy is one of the most promising sources of energy for the future. In this project, we aim to study

how the efficiency of solar cells varies with different light sources.
Physics Investigatory Project

Theory / Principle

The project is based on the principle of the photovoltaic effect. Solar cells convert light energy into electrical

energy using semiconductors.

Hypothesis

If the intensity and type of light source changes, then the efficiency of the solar cell will also vary.

Apparatus / Materials Required

Solar cell, multimeter, connecting wires, light sources (LED, CFL, sunlight), measuring tape, notebook.

Experimental Setup

The solar cell is connected to a multimeter. The setup is tested under different light conditions to measure the

voltage and current generated.

Procedure / Methodology

1. Connect the solar cell to the multimeter.

2. Measure voltage and current under various light conditions.

3. Calculate power output and efficiency.

Observations

Tabulate values of voltage, current, and power output for each light source.

Calculations

Efficiency = (Power Output / Incident Power) × 100%


Physics Investigatory Project

Result

Efficiency of solar cells is highest under direct sunlight, followed by CFL and LED lighting.

Conclusion

The project confirms that the efficiency of solar cells depends on the type and intensity of the light source.

Applications

Used in solar panels, calculators, satellites, and other solar-powered devices.

Precautions

1. Ensure connections are secure.

2. Avoid short circuits.

3. Use consistent distance for light sources.

Bibliography

1. NCERT Physics Textbook

2. www.sciencedirect.com

3. www.energy.gov

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