Home
Class 12
CHEMISTRY
n type semiconductor is formed when trac...

n type semiconductor is formed when trace amoutn of impurity is added to silicon. The numbe of elecrtons in the impurity atom must be

A

5

B

6

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
A

In p-type semiconductor on extra `e^(-)`of impurit carry the curretn.
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|30 Videos
  • QUESTION PAPER - 2018

    MARVEL PUBLICATION|Exercise MCQs|50 Videos
  • SOLUTIONS AND COLLIGATIVE PROPERTIES

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP|45 Videos

Similar Questions

Explore conceptually related problems

p type semi conductor is formed when trace amount of impurity is added to silicon. The number of valence electrons in the impurity atom must be

P -type semiconductors are made by adding impurity element

A P -type semiconductor is formed when (A) . As impurity is mixed in Si (B) . Al impurity is mixed in Si (C) . B impurity is mixed in Ge (D) . P impurity is mixed in Ge

To make p type semiconductor pure silicon should be doped with the impurity atoms of

n type semicondluctor is obtained by adding ________impurity to pure semiconductor

MARVEL PUBLICATION-SOLID STATE-TEST YOUR GRASP
  1. n type semiconductor is formed when trace amoutn of impurity is added ...

    Text Solution

    |

  2. The factor which makes a solid to have a low density is

    Text Solution

    |

  3. The close-packed layers in the faece-centred cubic unit cell are perpe...

    Text Solution

    |

  4. Bragg equation for the scattering of X-rays by crystal is

    Text Solution

    |

  5. Which of the following dimensions represent a hexagonal unit cell ?

    Text Solution

    |

  6. Which of the following lattices does not have only primitive Bravais l...

    Text Solution

    |

  7. Which of the following species is not paramagnetic?

    Text Solution

    |

  8. When electron are trapped into the crystal in anion cancy ,the defect ...

    Text Solution

    |

  9. The 8:8 type packing is present in

    Text Solution

    |

  10. The unit cell length of sodium chloride crystal is 360 pm. Its density...

    Text Solution

    |

  11. A substance which has face-centred cubic crystal has a density of 2.1...

    Text Solution

    |

  12. The fraction of volume occupied by atoms in a face centered cubic unit...

    Text Solution

    |

  13. The unit cell of an element having atomic mass 100 and density 12 g cm...

    Text Solution

    |

  14. A solid AB has NaCl structure. If the radius of the cation A is 100 pm...

    Text Solution

    |

  15. The phenomenon in which different chemical substances exhibit the same...

    Text Solution

    |

  16. In a close packed array of N spheres, the number of tetrahedral holes ...

    Text Solution

    |

  17. Solid iodine (I(2)) is an example of

    Text Solution

    |

  18. Which of the crystals should be the softest and have the lowest boilin...

    Text Solution

    |

  19. A semiconductor of Ge can be made p-type by adding

    Text Solution

    |

  20. What is the co-ordination number of each sphere in (i) Hexagonal clo...

    Text Solution

    |

  21. In a ferromagnetic material

    Text Solution

    |