Home
Class 12
PHYSICS
At room temperature, electrical conducti...

At room temperature, electrical conductivity of semiconductor is

A

greater than that of a good conductor.

B

zero

C

less than that of a good conductor

D

less than that of a bad conductor

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Competitive thinking|110 Videos

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Evaluation Test|17 Videos

  • ROTATIONAL MOTION

    TARGET PUBLICATION|Exercise MCQ|245 Videos

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 Videos

Similar Questions

Explore conceptually related problems

The electrical conductivity of semiconductor is

The electrical conductivity of semiconductors

Electrical conductivity of a semiconductor

Electrical conductivity of a semiconductor

The conductivity of semiconductors

Electrical Conductivity Of Extrinsic Semiconductors

why does the electrical conductivity of semiconductors increse with rise in temperature?

TARGET PUBLICATION-SEMICONDUCTORS-Critical thinking
  1. In a pure silicon (n(i)=10^(16)//m^(3)) crystal at 300K, 10^(21) atoms...

    Text Solution

    |

  2. Germanium and silicon belong to the 4^(th) group of periodic table. He...

    Text Solution

    |

  3. At room temperature, electrical conductivity of semiconductor is

    Text Solution

    |

  4. After doping, resistivity of a semiconductor

    Text Solution

    |

  5. In a semiconductor diode p-side is earthed and N-side is applied a pot...

    Text Solution

    |

  6. The electrical conductivity of a p-type semiconductor is determined by...

    Text Solution

    |

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

    Text Solution

    |

  8. The order of thickness of depletion region in p-n junction is

    Text Solution

    |

  9. Ripple frequency at the output of bridge rectifier when the transforme...

    Text Solution

    |

  10. A zener diode has a breakdown voltage of 5 V with a maximum power diss...

    Text Solution

    |

  11. In a zener regulator, if source voltage is 30 V, series resistance is ...

    Text Solution

    |

  12. For obtaining maximum power from a solar cell, it should be operated i...

    Text Solution

    |

  13. A typical solar cell develops a voltage of about

    Text Solution

    |

  14. LED constructed by silicon carbide, zinc selenide emit radiation of……....

    Text Solution

    |

  15. npn transistors are preferred to pnp transistors because they have

    Text Solution

    |

  16. If l(1),l(2),l(3) are the lengths of the emitter, base and collector o...

    Text Solution

    |

  17. Statement-1 : A transistor with common emitter mode has current gain 5...

    Text Solution

    |

  18. In transistor, forward bias is always smaller than the reverse bias. T...

    Text Solution

    |

  19. Current amplification factor in CE mode amplifier is 99. If the input...

    Text Solution

    |

  20. In an NPN transistor the collector current is 24 mA. If 80% of electro...

    Text Solution

    |