Home
Class 12
PHYSICS
The energy band gap is maximum in...

The energy band gap is maximum in

A

metals

B

superconductors

C

insulators

D

semiconductors

Text Solution

Verified by Experts

The correct Answer is:
c

The band gap is maximum in insulators.
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS

    FULL MARKS|Exercise Additional Question (Short Answer Questions)|22 Videos
  • SEMICONDUCTOR ELECTRONICS

    FULL MARKS|Exercise Additional Question (Long Answer Questions.)|3 Videos
  • SEMICONDUCTOR ELECTRONICS

    FULL MARKS|Exercise Textual Evaluation Solved (Numerical Problems)|5 Videos
  • SAMPLE PAPER-8

    FULL MARKS|Exercise PART-IV|10 Videos

Similar Questions

Explore conceptually related problems

The forbidden energy band gap in semi conductor , conductor and insulator are E_(1),E(2)and E_(3) , respectively. The relation among them is

The electrical conductivity of a semiconductor increases when electromagnetic radiation of wavelength shorter than 600 nm is incident on it . The energy band gap (in eV) for the semiconductor is

find the maximum wavelength of electromagnetic radiation which can create a hole-electron pair in germanium.The band gap in germanium is 0.65eV.

Define energy band.

Calculate the maximum kinetic energy and maximum velocity of the photoelectrons emitted when the stopping potential is 81V for the photoelectric emission experiment.

The energy gap of diamond is 6 eV . a . What does it mean ? b. What is the value of energy gap in the case of copper ? c. On the basis of energy gap , explain how substances are classified.

FULL MARKS-SEMICONDUCTOR ELECTRONICS-Additional question(M. C.Q)
  1. Holes are charge carrier in

    Text Solution

    |

  2. A transistor is used in the common emitter mode as an amplifier. Then

    Text Solution

    |

  3. The energy band gap is maximum in

    Text Solution

    |

  4. At absolute zero, Si acts as

    Text Solution

    |

  5. A piece of copper and another of germanium are cooled from room temper...

    Text Solution

    |

  6. In the middle of the depletion layer of reverse biased p-n junction, t...

    Text Solution

    |

  7. A full wave rectifier is operating at 50 Hz, 220v the fundamental freq...

    Text Solution

    |

  8. The part of a transistor, which is heavily doped to produce a large nu...

    Text Solution

    |

  9. when NPN transistor is used as an amplifier then ……….

    Text Solution

    |

  10. In a common-base amplifier, the phase difference between the input sig...

    Text Solution

    |

  11. In a common-base mode of a transistor, the collector current is 5.488 ...

    Text Solution

    |

  12. Match the following

    Text Solution

    |

  13. In a fcc lattice structure, what is the effective number of atoms?

    Text Solution

    |

  14. Monoclinic crystal lattice has dimensions

    Text Solution

    |

  15. In insulators

    Text Solution

    |

  16. The valence band and conduction band of a solid overlap at low tempera...

    Text Solution

    |

  17. If germanium is dopped with arsenic, that will result in

    Text Solution

    |

  18. n-type semiconductor is

    Text Solution

    |

  19. To a germanium crystal equal number of aluminium and indium atoms are ...

    Text Solution

    |

  20. The dominant contribution to current comes from holes in case of

    Text Solution

    |