Solar Cell Behavior and Light Absorption Quiz
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Questions and Answers

Which types of silicon are typically used to form a silicon solar cell?

  • n-type and p-type
  • n-type and n-type
  • p-type and n-type (correct)
  • p-type and p-type

    • What must be maximized in order to maximize the power rating of a solar cell?

  • Absorption after reflection and electron-hole generation
  • Desired absorption and electric field
  • Desired absorption and electron-hole generation
  • Desired absorption and absorption after reflection (correct)

    • What happens to the electrons and holes at the p-n junction when light shines on a solar cell?

  • Electrons are swept to the p side and holes are swept to the n side
  • Electrons are swept to the n side and holes are swept to the p side (correct)
  • Electrons and holes are both swept to the n side
  • Electrons and holes are both swept to the p side

    • What are 'collected carriers' in a solar cell?

    <p>Electron-hole pairs that generate a finite current when V = 0</p> Signup and view all the answers

    Where is the best chance of 'collection' of electron-hole pairs in a solar cell?

    <p>If the e-h pairs are generated within a diffusion length of the junction</p> Signup and view all the answers

    What is a silicon solar cell made of?

    <p>both p-type and n-type silicon</p> Signup and view all the answers

    What happens to the electric field at the p-n junction when light shines on a solar cell?

    <p>The electric field sweeps electrons to the n side and holes to the p side</p> Signup and view all the answers

    What is the ideal flow at short circuit in a solar cell?

    <p>Flow of electrons from the n side to the p side and holes from the p side to the n side</p> Signup and view all the answers

    What happens to some electron-hole pairs in a solar cell before they are collected?

    <p>They get lost</p> Signup and view all the answers

    Where is the best chance of 'collection' of electron-hole pairs in a solar cell?

    <p>Close to the p-n junction</p> Signup and view all the answers

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