Home
Class 12
PHYSICS
On increasing temperature, the conductiv...

On increasing temperature, the conductivity of pure semiconductors

A

decreases

B

increases

C

remains unchanged

D

becomes zero

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-I (C.W)|21 Videos
  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (C.W)|33 Videos
  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos
  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE- 4 One or more than one correct answer type|13 Videos
  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise ADDITIONAL EXERCISE (ASSERTION AND REASON TYPE QUESTIONS :)|19 Videos

Similar Questions

Explore conceptually related problems

A pure semiconductor

A pure semiconductors

The conductivity of semiconductors

A pure semiconductor has

With increase in temperature of the conductivity of

At room temperature, electrical conductivity of semiconductor is

On increasing temperature the specific resistance of a semiconductor -

NARAYNA-SEMI CONDUCTOR DEVICES-C.U.Q
  1. The level formed due to impurity atom, in the for hidden energy gap, v...

    Text Solution

    |

  2. The bond in semiconductors is

    Text Solution

    |

  3. On increasing temperature, the conductivity of pure semiconductors

    Text Solution

    |

  4. The mobility of free electrons is greater then that of free holes beca...

    Text Solution

    |

  5. A semiconductor at 0 K behaves as

    Text Solution

    |

  6. Carbon , silicon and germanium have four valence elcectrons each . The...

    Text Solution

    |

  7. The valency of impurity element for making p-type semiconductors is

    Text Solution

    |

  8. In n-type semiconductors the electron concentration is equal to

    Text Solution

    |

  9. Which of the following statements is not true ?

    Text Solution

    |

  10. p-type semiconductor is

    Text Solution

    |

  11. n-type semiconductor is

    Text Solution

    |

  12. An electric field is applied across a semiconductor. Let n be the numb...

    Text Solution

    |

  13. In a n-type semiconductor, the femi energy level lies

    Text Solution

    |

  14. An n-type and p-type silicon can be obtained by doping pure silicon wi...

    Text Solution

    |

  15. The width of forbidden gap in silicon crystal is 1.2 ev. When the crys...

    Text Solution

    |

  16. In extrinsic semiconductors

    Text Solution

    |

  17. The element that can be used as acceptor impurity to dope silicon is

    Text Solution

    |

  18. Among the following, the wrong statement on the case of semiconductor ...

    Text Solution

    |

  19. The value indicated by fermi energy level in an intrinsic semiconducto...

    Text Solution

    |

  20. The conduction band and valency band of a good conductors are

    Text Solution

    |