Home
Class 11
PHYSICS
The relation between number of free elec...

The relation between number of free electrons `(n)` in a semiconductor and temperature `(T)` is given by

A

`n prop T`

B

`n prop T^(2)`

C

`n prop sqrt(T)`

D

`n prop T^(3//2)`

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • RAY OPTICS AND OPTICAL INSTRUMNTS

    DISHA|Exercise PHYSICS|44 Videos

  • SYSTEM OF PARTICLES AND ROTATIONAL MOTION

    DISHA|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

In diamond, the number of free electrons are:

The number of free electrons is Si at normal temperature is

If n_(e) and n_(h) be the number of electrons and drift velocity in a semiconductor. When the temperature is increased

if n_(e) and v_(d) be the number of electrons and drift velocity in a semiconductor. When the temperature is increased.

The relation between T and g is given by

The number of electrons in the valence shell of a semiconductor is

Assertion (A): The number of electrons in a p-type silicon semiconductor is less than the number of electrons in intrinsic silicon semiconductor at room temperature. Reason (R ): It is due to law of mass action.

DISHA-SEMICONDUCTOR-PHYSICS
  1. Pure Si at 500K has equal number of electron (n(e)) and hole (n(h)) co...

    Text Solution

    |

  2. Which of the following statements is incorrect?

    Text Solution

    |

  3. The relation between number of free electrons (n) in a semiconductor a...

    Text Solution

    |

  4. If a PN junction diode of depletion layer width W and barrier height V...

    Text Solution

    |

  5. The circuit has two oppositively connected ideal diodes in parallel wh...

    Text Solution

    |

  6. For a transistor ampliflier in common emiter configuration for load im...

    Text Solution

    |

  7. A PN - junction has a thickness of the order of

    Text Solution

    |

  8. A working transitor with its three legs marked P, Q and R is tested us...

    Text Solution

    |

  9. If a p-n junction diode, a square input signal of 10 V is applied as s...

    Text Solution

    |

  10. When N-type of semiconductor is heated

    Text Solution

    |

  11. The ratio of electron and hole currents in a semiconductor is 7/4 and ...

    Text Solution

    |

  12. C and Si both have same lattice structure, having 4 bonding electrons ...

    Text Solution

    |

  13. Which one of the following represents forward bias diode?

    Text Solution

    |

  14. An oscillator is nothing but an amplifier with

    Text Solution

    |

  15. The current gain in the common emitter mode of a transistor is 10. The...

    Text Solution

    |

  16. The input signal given to a CE amplifier having a voltage gain of 150 ...

    Text Solution

    |

  17. In the use of transistor as an amplifier

    Text Solution

    |

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

    Text Solution

    |

  19. A d.c. battery of V volt is connected to a series combination of a res...

    Text Solution

    |

  20. The current gain for a transistor working as a common-base amplifier i...

    Text Solution

    |