Home
Class 11
PHYSICS
resistivity of pure geramanium crystal a...

resistivity of pure geramanium crystal at room temperature in order of

A

`10^4`

B

`10^3`

C

`10^2`

D

`10^1`

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

____is in liquid at room temperature .

the no. densities of electrons and holes in a pure germanium at room temperature are equal and its value is 2×10^(16) per m^3 . On doping with aluminium the hole density increases to 3.5×10^(22) per m^3 then the electron density in dppoed germanium is

Calculate the resistance per metre, at room temperature, of a constantan (alloy) wire of diameter 1.25mm. The resistivity of constant of an at room temperature is 5.0 xx 10^-7 Omega m.

the density of an electron-hole pair in a pure germanium is 3 ×10^(16)m^(-3) at room temperature. On doping with aluminium , the hole density increses to 4.5×10^(22)m^(-3) .now the electron density (in m^(-3) )in doped germanium will be

A pure silicon crystal at absolute zero temperature behaves as

Iodine is a solid at room temperature because

Assertion:the resistivity of a semiconductor increases with temperature. Reason: in a conducting solid,the rate of collisions between free electrons and ions increases with increase of temperature

Halogen which is liquid at room temperature is _____.

The minimum audible wavelength at room temperature is about

TARGET PUBLICATION-SEMICONDUCTORS-EXERCISE
  1. In an intrinsic semiconductor

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  9. After Doping , resistivity of a semiconductor

    Text Solution

    |

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

    Text Solution

    |

  11. In Extrinsic Semiconductors

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  15. when n-type of semiconductor is heated

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  18. p-n junction diode works as an insulator , if connected

    Text Solution

    |

  19. in a semiconductor diode, a p-side is earthed and n-side is applied a...

    Text Solution

    |

  20. figure shows ttwo p-n junction diodes alond with aresistance R and a d...

    Text Solution

    |