Home
Class 11
PHYSICS
electrical conductivity of a semiconduct...

electrical conductivity of a semiconductor

A

decreases with the rise in its temprearture

B

increases with the rise in its epmerature

C

does not change with the rise in its temperature

D

first increases and then decreses with the rise in its temperature

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • SCALARS AND VECTORS

    TARGET PUBLICATION|Exercise Evaluation Test|19 Videos
  • Sound

    TARGET PUBLICATION|Exercise Exercise|248 Videos

Similar Questions

Explore conceptually related problems

at room temperature,electrical conductivity of semiconductor is

the electrical conductivity of a p-type semiconductor is determined by the no. of

Explain variation of conductivity of a semiconductor with temperature.

in a semiconductor,

How does the conductivity of a semiconductor change with temperature? Why?

Explain the electrical conductivitiesof conductor, semiconductor and insulator

electrical conductivity of a silicon is ___

Draw suitable graphs to show temperature dependence of electric conductivity of metals and semiconductors. Write your interpretation.

CONDUCTORS HAVE___electrical conductivity as conductivity as compared to insulators.

The electrical conductance of a conductor __________.

TARGET PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. electrical conductivity of a silicon is

    Text Solution

    |

  2. the conductivity (sigma)of a solid is given by [n=no. of carriers per ...

    Text Solution

    |

  3. electrical conductivity of a semiconductor

    Text Solution

    |

  4. at room temperature,electrical conductivity of semiconductor is

    Text Solution

    |

  5. Assertion:the resistivity of a semiconductor increases with temperatur...

    Text Solution

    |

  6. in a good conductor the energy gap between the conduction band and the...

    Text Solution

    |

  7. energy band in solids are a consequence of

    Text Solution

    |

  8. three semiconductors are arranged in the incresing order of their gap ...

    Text Solution

    |

  9. Assertion: the energy gap between the valence band and conduction band...

    Text Solution

    |

  10. which one of the energy band diagrams shown in the figure coresponds t...

    Text Solution

    |

  11. electronic configuration of silicon is.

    Text Solution

    |

  12. in a semiconductor,

    Text Solution

    |

  13. In an intrinsic semiconductor

    Text Solution

    |

  14. let np and ne be the no. oh holes and conduction electrons in a semic...

    Text Solution

    |

  15. resistivity of pure geramanium crystal at room temperature in order of

    Text Solution

    |

  16. in a pure silicon (ni = (10^16)/m^3) crystal at 300 k ,10^21 atoms of ...

    Text Solution

    |

  17. to a germanium sample , trace sof gallium are added as an imourity. Th...

    Text Solution

    |

  18. when phosphorous and antimony are mixed in germanium , then

    Text Solution

    |

  19. Intrinsic semiconductor is electrically neutral. Extrinsic semiconduct...

    Text Solution

    |

  20. Germanium and Silicon belong to the 14th group of periodic table. Henc...

    Text Solution

    |