Choose only the false statement from the following:

  • A
    In conductors, the valence and conduction bands overlap.
  • B
    Substances with an energy gap of the order of $10 \ eV$ are insulators.
  • C
    The resistivity of a semiconductor increases with an increase in temperature.
  • D
    The conductivity of a semiconductor increases with an increase in temperature.

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Similar Questions

$C$, $Si$ and $Ge$ have the same lattice structure. Why is $C$ an insulator while $Si$ and $Ge$ are intrinsic semiconductors?

In semiconductors at room temperature,

The resistivity of a semiconductor depends on $........$.

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

Which graph shows correctly the temperature $(T)$ dependence of resistivity $(\varrho)$ of a semiconductor?

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