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Physics Syllabus for JEE Main 2024
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Physics Syllabus for JEE Main 2024

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Questions and Answers

Which of the following is a key property of a semiconductor material?

  • Ability to conduct electricity only in one direction
  • Low electrical conductivity (correct)
  • Inability to conduct electricity at all
  • High electrical conductivity
  • What is the primary mechanism by which charge carriers move in a semiconductor?

  • Drift of holes
  • Drift of electrons (correct)
  • Tunneling of electrons
  • Hopping of ions
  • Which of the following semiconductor materials is commonly used in electronic devices?

  • Silicon (correct)
  • Copper
  • Aluminum
  • Gold
  • What is the purpose of doping in semiconductor materials?

    <p>To increase the electrical conductivity</p> Signup and view all the answers

    Which type of semiconductor material has a higher concentration of holes than electrons?

    <p>P-type semiconductor</p> Signup and view all the answers

    What is the primary function of a semiconductor diode?

    <p>To convert AC to DC</p> Signup and view all the answers

    Which semiconductor device is used to control the flow of electric current?

    <p>Transistor</p> Signup and view all the answers

    What is the purpose of a p-n junction in a semiconductor device?

    <p>To create a potential barrier</p> Signup and view all the answers

    Which semiconductor device is used to amplify electrical signals?

    <p>Transistor</p> Signup and view all the answers

    What is the function of a semiconductor rectifier?

    <p>To convert AC to DC</p> Signup and view all the answers

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