Home
Class 11
PHYSICS
in a semiconductor,...

in a semiconductor,

A

there are no free electrons at any temperature

B

the no. of free electrons is more than theat in aconductor

C

there are no free electrons at 0 k

D

none of these

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

in case of a semiconductor, which of the foll. Statements is wrong?

Assertion : Semiconductor devices are thermally stable. Reason: No heating effects occur in semiconductor

electrical conductivity of a semiconductor

After Doping , resistivity of a semiconductor

In an intrinsic semiconductor

What is a hole in semiconductor?

In semiconductor, acceptor impurity is....

What is doping in semiconductors.

What is extrinsic semiconductor?

The charge carriers in semiconductor are

TARGET PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. which one of the energy band diagrams shown in the figure coresponds t...

    Text Solution

    |

  2. electronic configuration of silicon is.

    Text Solution

    |

  3. in a semiconductor,

    Text Solution

    |

  4. In an intrinsic semiconductor

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  12. After Doping , resistivity of a semiconductor

    Text Solution

    |

  13. the electrical conductivity of a p-type semiconductor is determined by...

    Text Solution

    |

  14. In Extrinsic Semiconductors

    Text Solution

    |

  15. The majority charge carriers in P-type semiconductors are

    Text Solution

    |

  16. a p-type semiconductor can be obtained by adding

    Text Solution

    |

  17. if ne aand nh are the no. of electrrons and holes in a semiconductor h...

    Text Solution

    |

  18. when n-type of semiconductor is heated

    Text Solution

    |

  19. A diode converts A.C. voltage into a /an

    Text Solution

    |

  20. the order of thickness of delpting region in p-n junction is

    Text Solution

    |