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

The energy band gap is maximum in

A

copper

B

an insulator

C

germanium

D

a super conductor

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|405 Videos
  • STATIONARY WAVES

    NIKITA PUBLICATION|Exercise MCQs|396 Videos

Similar Questions

Explore conceptually related problems

The energy band gap of Si is

The energy gap of germanium is 1.28 eV. What is the maximum wave length at which germanium will begin absorbing energy.

The energy band gap (difference between conductor band and valance band) in semiconductors is

What is the energy band gap of : (i) silicon and (ii) germanium?

The forbidden gap in the energy bands of germanium at room temperature is about

The forbidden energy band gap in conductors, semiconductors and insulators are EG_(1), EG_(2) and EG_(3) respectively. How are they related?

For LEDs to emit light in visible region of electromagnetic light it should have energy band gap in the range of

NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. In a crystal, the permitted energy states of electrons are present

    Text Solution

    |

  2. There is no hole current in good conductors, because

    Text Solution

    |

  3. The energy band gap is maximum in

    Text Solution

    |

  4. The forbidden energy gap in an intrinsic semiconductor is

    Text Solution

    |

  5. In a good conductor, the energy levels in a valence band

    Text Solution

    |

  6. Solids having highest energy level partially filled with electrons are

    Text Solution

    |

  7. At ordinary temperature, an increase in temperature, increases the con...

    Text Solution

    |

  8. The width of the forbidden band will be small in

    Text Solution

    |

  9. Electrons in the outermost shell of an atom are called

    Text Solution

    |

  10. In intrinsic semiconductor at room temperature, the number of electron...

    Text Solution

    |

  11. Fermi energy is the

    Text Solution

    |

  12. In which of the following band an electron cannot lie in a crystal ?

    Text Solution

    |

  13. In a pure conductor, the value of the forbidden energy gap is

    Text Solution

    |

  14. The forbidden energy gap in a semiconductor is of the order of

    Text Solution

    |

  15. If there is no hole current in a substance, if must be

    Text Solution

    |

  16. Which one of the following is an amorphous solid?

    Text Solution

    |

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

    Text Solution

    |

  18. What is the forbidden energy gap (in joule) for a Germanium crystal ?

    Text Solution

    |

  19. The band of maximum energy in which electrons are present is called th...

    Text Solution

    |

  20. The for bidden gap in the energy bands of sillcon is

    Text Solution

    |