Home
Class 12
PHYSICS
Choose the false statement from the foll...

Choose the false statement from the following.

A

Substances with energy gap of the order of 10 eV are insulators

B

The conductivity of a semiconductor increases with increase in temperature

C

In conductors the valence and conduction bands may overlap

D

The resistivity of a semiconductor increases with increase in temperature.

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos

  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE ENGLISH|Exercise Assignment section -B (Objective Type Question)|29 Videos

  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT (SECTION - D)|16 Videos

  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE ENGLISH|Exercise Assignment (Section-D (Assertion and reason))|5 Videos

Similar Questions

Explore conceptually related problems

Choose the true statement from the following

Select the false statement from the following.

Choose the wrong statement from the following.

Choose the wrong statement from the following.

Choose the wrong statement from the following.

If f(x)=a^(x) , then the false statement from the following is:

Identify the false statement from the following

Choose the only false statement form the following

Choose the correct statement from the following:

Choose the correct statement from the following.

AAKASH INSTITUTE ENGLISH-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -C (Previous years type question)
  1. Zener diode is used for:-

    Text Solution

    |

  2. Carbon, silicon and germanium have four valence electrons each. These ...

    Text Solution

    |

  3. Choose the false statement from the following.

    Text Solution

    |

  4. Copper has face-centered cubic (fcc) lattice with interatomic spacing ...

    Text Solution

    |

  5. The cations and anions are arranged n alternate form in:

    Text Solution

    |

  6. In semiconductors at a room temperature

    Text Solution

    |

  7. In good conductors of electricity the type of bonding that exist is

    Text Solution

    |

  8. In an insulator, the forbidden energy gap between the valence band and...

    Text Solution

    |

  9. In a p-n junction depletion region has a thickness of the order of

    Text Solution

    |

  10. Pure Si at 300 K has equal electron (n(e)) and hole (n(h)) concentrati...

    Text Solution

    |

  11. In a reverse biased p-n junction, when the applied bias voltages is eq...

    Text Solution

    |

  12. In the case of forward biasing of PN-junction, which one of the follow...

    Text Solution

    |

  13. When arsenic is added as an impurity to silicon, the resulting materia...

    Text Solution

    |

  14. To obtain a p-type germanium semiconductor, it must be doped with

    Text Solution

    |

  15. The cause of the potential barrier in a p-n diode is

    Text Solution

    |

  16. A semiconducting device is connected in a series in circuit with a bat...

    Text Solution

    |

  17. p-n junction diode can be used as

    Text Solution

    |

  18. In p-type semiconductor, the major charge carriers are:

    Text Solution

    |

  19. In forward bias the width of depletion layer in a p-n junction diode

    Text Solution

    |

  20. Depletion layer consists of

    Text Solution

    |