Solar Power and Solar Cells
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Questions and Answers

What is the shape of the solar modules?

  • Rectangular
  • Octagonal (correct)
  • Triangular
  • Circular
  • Who discovered the photovoltaic (PV) effect?

  • Russel Oh
  • Albert Einstein
  • Alexandre-Edmond Becquerel (correct)
  • Nikola Tesla
  • What is the purpose of the p-type and n-type junction in photovoltaic solar cells?

  • To increase energy efficiency
  • To reduce energy consumption
  • To form electron holes and produce electricity (correct)
  • To absorb energy from photons
  • What are the most common materials used in photovoltaic solar cells?

    <p>Silicon, cadmiumtelluride, and copper-indium-gallium-selenide</p> Signup and view all the answers

    What is the result of a photon with sufficient energy impinging on the p-type and n-type junction in photovoltaic solar cells?

    <p>An electron is expelled and travels to the next layer</p> Signup and view all the answers

    What is the classification of photovoltaic solar cells based on?

    <p>Their material composition</p> Signup and view all the answers

    What is the primary function of a solar cell?

    <p>To convert light energy into electrical energy</p> Signup and view all the answers

    What is the approximate maximum open circuit voltage of a single-junction silicon solar cell?

    <p>0.5V to 0.6V</p> Signup and view all the answers

    Why is there a need for inexpensive alternatives to fossil fuels?

    <p>Because fossil fuels are unable to sustain our current energy requirements</p> Signup and view all the answers

    What is a solar cell in its most basic form?

    <p>A p-n junction diode</p> Signup and view all the answers

    What is a characteristic of the manufacturing process of organic devices?

    <p>It does not require expensive processing steps</p> Signup and view all the answers

    What is a characteristic of a photoelectric cell?

    <p>Its electrical characteristics change when exposed to light</p> Signup and view all the answers

    What is the advantage of using solar cells as an energy source?

    <p>They are a clean source of energy that is free of emissions and noise</p> Signup and view all the answers

    What can individual solar cells be combined to form?

    <p>Solar panels</p> Signup and view all the answers

    What is the purpose of generating electricity using organic solar cells?

    <p>To alleviate some of the world's energy problems</p> Signup and view all the answers

    What type of energy do solar cells transform into electrical energy?

    <p>Light energy</p> Signup and view all the answers

    What is the photovoltaic effect used for in a solar cell?

    <p>To convert light energy into electrical energy</p> Signup and view all the answers

    What is the characteristic of the first generation of solar cells?

    <p>They were made of silicon single crystals grown on Si wafers</p> Signup and view all the answers

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