Home
Class 12
CHEMISTRY
What are the causes of electrical conduc...

What are the causes of electrical conductivity of a semiconductor?

Text Solution

Verified by Experts

Due to defects in the crystal and also due to presence of impurity in the crystal,
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    CHHAYA PUBLICATION|Exercise NUMERICAL PROBLEMS|15 Videos
  • SOLID STATE

    CHHAYA PUBLICATION|Exercise PRACTICE SET 1|13 Videos
  • SOLID STATE

    CHHAYA PUBLICATION|Exercise MCQ HOTSPOT|62 Videos
  • PREVIOUS YEARS QUESTION PAPER 2019

    CHHAYA PUBLICATION|Exercise WBCHSE 2019 PART-B|19 Videos
  • SOME p-BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise PRACTIVE SET 11|15 Videos

Similar Questions

Explore conceptually related problems

What is the effect of doping on electric conductivity of a semiconductor ?

How is it possible to enhance the electrical conductivity to an intrinsic semiconductor?

With the help of band theory explain (i) inability of an insulator to conduct electricity and (ii) the electrical conductivity of a semiconductor.

Write two ways by which the electrical conductivity of a semiconductor can be increased.

Explain the electrical conductivity of a semiconductor with the help of band theory.

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

State the expression of the electrical conductivity of the material of a semiconductor in terms of the mobilities of electrons and holes.

Arrange the following solids in order of their increasing electrical conductivities. Metal, Semiconductor, Insulator.

What is the effect of temperature on the electrical conductance of an electrolytic conductor?

CHHAYA PUBLICATION-SOLID STATE-EXERCISE
  1. What is metallic bond?

    Text Solution

    |

  2. Which of the compounds will develop Frenkel defect, CsCl or AgCl?

    Text Solution

    |

  3. What are the causes of electrical conductivity of a semiconductor?

    Text Solution

    |

  4. What happens when a ferromagnetic substance is heated at very high tem...

    Text Solution

    |

  5. What is point defect? Give an example.

    Text Solution

    |

  6. What is F-centre? Why is a solid with F-centres paramagnetic?

    Text Solution

    |

  7. Of the following crystalline solids which one is molecular solid, and ...

    Text Solution

    |

  8. What is the coordination of an atom of a metal with bcc structure?

    Text Solution

    |

  9. Which crystal system does have all four types of unit cell, i.e., simp...

    Text Solution

    |

  10. Radius of particle in a fcc unit cell is 0.3535 times the edge length ...

    Text Solution

    |

  11. What type of unit cell do ccp and hcp structures possess?

    Text Solution

    |

  12. A simple cubic unit cell with edge length 'a' contains particle with r...

    Text Solution

    |

  13. What are the percentages of empty space in body-centred and face-centr...

    Text Solution

    |

  14. What is an impurity defect?

    Text Solution

    |

  15. What are the coordination numbers of each particles in square and hexa...

    Text Solution

    |

  16. What is space lattice?

    Text Solution

    |

  17. What is lattice point?

    Text Solution

    |

  18. What do you understand by unit cell of a crystal?

    Text Solution

    |

  19. What is impurity or extrinsic semiconductor? Give an example.

    Text Solution

    |

  20. What is the coordination number of a particle in an hcp or a ccp struc...

    Text Solution

    |