Home
Class 11
PHYSICS
The forbidden energy gap in Ge is :-...

The forbidden energy gap in Ge is :-

A

0.72 eV

B

0.072 eV

C

7.2 eV

D

0.0072 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

For germenium crystal, the forbidden energy gap in joules is

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

The forbidden energy gap in an intrinsic semiconductor is

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

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

What is the order of forbidden energy gap in eV in the energy bands of silicon ?

The forbidden energy gap of germanium is 0.72eV. What do you understand by it?

ALLEN-SEMICONDUCTORS-Part-3(Exercise-1)
  1. Let n(p) and n(e) be the number of holes and conduction electrons resp...

    Text Solution

    |

  2. Resistivity of a semiconductor depends on

    Text Solution

    |

  3. The forbidden energy gap in Ge is :-

    Text Solution

    |

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

    Text Solution

    |

  5. A p-type semiconductor is

    Text Solution

    |

  6. The depletion region of a p-n junction contains :-

    Text Solution

    |

  7. The p-n junction is a :-

    Text Solution

    |

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

    Text Solution

    |

  9. p-n junction is called as forward biased when

    Text Solution

    |

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

    Text Solution

    |

  11. The thinest part of a transistor is

    Text Solution

    |

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

    Text Solution

    |

  13. Transistor can be used as :-

    Text Solution

    |

  14. A device whose one end is connected to -ve terminal and other end conn...

    Text Solution

    |

  15. A common emitter circuit is used as an amplifier, its current gain is ...

    Text Solution

    |

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

    Text Solution

    |

  17. For transistor relation in current amplification factors is-

    Text Solution

    |

  18. In a full wave rectifier if input freq, is 50 Hz then output nipple fr...

    Text Solution

    |

  19. What is the ratio of forward and reverse resistance of p-n junction di...

    Text Solution

    |

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

    Text Solution

    |