Home
Class 11
PHYSICS
The energy gap in a semiconductor is of ...

The energy gap in a semiconductor is of the order of :-

A

1 eV

B

5 eV

C

10 eV

D

15 eV

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-2)|49 Videos

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-3)|27 Videos

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-4)|51 Videos

  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos

  • WAVES AND OSCILLATIONS

    ALLEN|Exercise Part-1(Exercise-05)[B]|42 Videos

Similar Questions

Explore conceptually related problems

A pure semiconductors

In an insulator, the forbidden energy gap between the valence band and conduction band is of the order of

The energy gap for an insulator may be

What is energy gap in bond theory?

The energy band gap of Si is

The energy band gap is maximum in

The energy gap in case of which of the following is maximum?

Binding energy of a nucleus is of the order of:

The forbidden energy band gap in conductors, semiconductors and insulators are EG_(1), EG_(2) and EG_(3) respectively. The relation among them is

Assertion : The electrons in the conduction band have higher energy than those in the valence band of a semiconductor Reason : The conduction band lies above the energy gap and valence band lies below the energy gap.

ALLEN-SEMICONDUCTORS-Part-3(Exercise-1)
  1. Resistivity of a semiconductor depends on

    Text Solution

    |

  2. The forbidden energy gap in Ge is 0.72 eV , given hc = 12440 eVÅ - Th...

    Text Solution

    |

  3. The energy gap in a semiconductor is of the order of :-

    Text Solution

    |

  4. A p-type semiconductor is

    Text Solution

    |

  5. In the depletion region of an unbiased p-n junction diode there are

    Text Solution

    |

  6. p-n junction is

    Text Solution

    |

  7. When value of current increase in P-N junction, then the value of cont...

    Text Solution

    |

  8. p-n junction is said to be forward biased, when

    Text Solution

    |

  9. When a junction diode is reverse biased, then current called drift cur...

    Text Solution

    |

  10. The thinest part of a transistor is

    Text Solution

    |

  11. In transistor symbols, the arrows shows the direction of-

    Text Solution

    |

  12. Transistor can be used as :-

    Text Solution

    |

  13. One part of a device is connected with the negative terminal of a batt...

    Text Solution

    |

  14. Common emitter circuit is used as amplifier, its current gain is 50. I...

    Text Solution

    |

  15. In which case is the junction diode is not reverse bias-

    Text Solution

    |

  16. For transistor relation in current amplification factors is-

    Text Solution

    |

  17. If a full wave rectifier circuit is operating from 50 Hz mains, the fu...

    Text Solution

    |

  18. The ratio fo resistance for forward to reverse bias of P-N junction di...

    Text Solution

    |

  19. If the forward voltage in a diode is increased, the width of the deple...

    Text Solution

    |

  20. In a N-P-N transistor circuit, the collector current is 10 mA.If 90 % ...

    Text Solution

    |