Electrical Conductivity and Material Classification Quiz
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Questions and Answers

What is the typical resistivity level of an insulator?

  • 10^8 to 10^10 Ω-cm
  • 10^10 to 10^12 Ω-cm (correct)
  • 10^6 to 10^8 Ω-cm
  • 10^12 to 10^14 Ω-cm
  • What is the range of electron energies higher than the valence band called?

  • Forbidden band gap
  • Valence band
  • Conduction band (correct)
  • Energy band structure
  • What is the energy required by an electron to move from the valence band to the conduction band for an insulator?

  • 5 eV
  • 1.6 x 10^-19 J
  • 3 eV
  • Greater than 5 eV (correct)
  • What is the energy band structure that defines the band of energy levels that an electron can occupy?

    <p>Energy band structure</p> Signup and view all the answers

    What is the flow of charge resulting from the movement of electrons in the conduction band under the influence of an external voltage source called?

    <p>Electric current</p> Signup and view all the answers

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