Home
Class 12
CHEMISTRY
which of the following is true about...

which of the following is true about the change the charge acquired by p- type semiconductors ?

A

positive

B

neutral

C

negative

D

depends on concentration of p-type impurity.

Text Solution

Verified by Experts

The correct Answer is:
B

p-type semi conductors are neutral due to the absence of electrons in the holes. The sign p (positive) only indicates that the holes move like positive charges.
Promotional Banner

Topper's Solved these Questions

  • SOLID STATE

    DINESH PUBLICATION|Exercise ASSIGNMENT|134 Videos
  • SOLID STATE

    DINESH PUBLICATION|Exercise multiple choice|48 Videos
  • SOLID STATE

    DINESH PUBLICATION|Exercise PROBLEMS|71 Videos
  • REDOX REACTIONS

    DINESH PUBLICATION|Exercise Ultimate Preparation|9 Videos
  • SOLUTIONS

    DINESH PUBLICATION|Exercise ULTIMATE PREPARATORY PACKAGE|10 Videos

Similar Questions

Explore conceptually related problems

p-type semiconductor is

A p-type semiconductor is

In a P -type semiconductor

p-type and n-type semiconductors .

In P -type semiconductor, there is

Bond in n and p-type semiconductor is

DINESH PUBLICATION-SOLID STATE-MULTIPLE CHOCIE QUESTION (TYPE-I)
  1. Cations are present in the interstitial sites in …………… .

    Text Solution

    |

  2. Schottky defect is observed in crystals when ……………. .

    Text Solution

    |

  3. which of the following is true about the change the charge acq...

    Text Solution

    |

  4. To get a n- type semiconductor from silicon , it should be doped...

    Text Solution

    |

  5. The total of tetrahedral voids in the face centred unit cell is ……...

    Text Solution

    |

  6. Which of the following point defects are shown by AgBr (s) crys...

    Text Solution

    |

  7. In which pair most efficient packing is present?

    Text Solution

    |

  8. The percentage of empty space in a body centred cubic arrangement is :

    Text Solution

    |

  9. which of the following statemets is not true about the hexagona...

    Text Solution

    |

  10. in which of the following structures coordination number for cati...

    Text Solution

    |

  11. What is the coordination number in a square close packed structures in...

    Text Solution

    |

  12. which kind of defects are introduced by doping ?

    Text Solution

    |

  13. silicon doped with electron rich impurity forms ………. .

    Text Solution

    |

  14. Which of the following statements is not ture ?

    Text Solution

    |

  15. which of the following is not true about the ionic solids ?

    Text Solution

    |

  16. A ferromagnetic substance becomes a permanent magnet when it is placed...

    Text Solution

    |

  17. the correct order of the packing effeciency in different types o...

    Text Solution

    |

  18. which of the follwing defects is also known as dislocation defect ...

    Text Solution

    |

  19. in the cubic packing , the unit cell has ………. .

    Text Solution

    |

  20. the edge length of the unit cells in terms of the radius of spher...

    Text Solution

    |