In semiconductors at room temperature,which of the following statements is correct regarding their energy bands?

  • A
    The valence band is partially empty and the conduction band is partially filled.
  • B
    The valence band is completely filled and the conduction band is partially filled.
  • C
    The valence band is completely filled.
  • D
    The conduction band is completely empty.

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Similar Questions

This question has Statement $1$ and Statement $2$. Of the four choices given after the Statements,choose the one that best describes the two Statements.
Statement $1$ : $A$ pure semiconductor has a negative temperature coefficient of resistance.
Statement $2$ : On raising the temperature,more charge carriers are released into the conduction band.

What is the band gap energy for an insulator in $eV$?

The energy band diagrams for three semiconductor samples of silicon are as shown. We can then assert that

In the energy band diagram of insulators,the band gap and the conduction band are respectively:

Which of the following substances has an energy gap $(E_g)$ greater than $3 \ eV$?

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