Home
Class 12
PHYSICS
A doped semiconductor has impurity level...

A doped semiconductor has impurity levels 32 meV below the conduction band. The semiconductor is -

A

N-type

B

P-type

C

N-P junction

D

none of the above

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • SEMI CONDUCTOR AND LOGIC GATES

    MOTION|Exercise EXERCISE 3|34 Videos

  • SEMI CONDUCTOR AND LOGIC GATES

    MOTION|Exercise EXERCISE 3|34 Videos

  • ROTATIONAL MOTION

    MOTION|Exercise Exercise - 3 ( Section-B )|24 Videos

  • SIMPLE HARMONIC MOTION

    MOTION|Exercise EXERCISE -3 Section - B Previous Year Problems | JEE MAIN|23 Videos

Similar Questions

Explore conceptually related problems

A doped semiconductor has impurity levels 20 meV below the conduction band. Is the material n-type or p-type? What is the wavelength of light so that the electron of impurity level is just able to jump into conduction band? Use h=6.63xx10^(-34)Js, c=3xx10^(8)m//s .

A doped semiconductor has impurity levels 30meV bleow the conduction band,(a)Is the material m-type or p-type? (b)In a thermal collision,and amount kT of energy is given to the extra electron loosely bound to the impurity ion and this electron is just able to jump into the conduction band. Calculate the temperature T.

A doped semiconductor has impurity levels 40 me V below the conductor band. Is the material n-type or p-type? In a thermal collision, an amount kT of energy is given to the extra electron loosely bound to the impurity ion and this electron is just able to jump into the conduction band. Calculate the temperature T. Given k=8.62xx10^(-5) eV//K .

In a doped semiconductor, the impurity level is 40 meV above the valence band. The semicoductor is

An n-type semiconductor has impurity level 20 meV below the conduction band. In a thermal collision, transferble enegry is KT . The value of T for which electrons start to jump in conduction bond is :

In an n-type semiconductor, the fermi level lies 0.3 eV below the conduction band at 300 K. If the temperature is increased to 330K, where does the new position of the Fermi level lie?

A P -type semiconductor has acceptor levels 57 meV above the valence band. The maximum wavelength of light required to create a hole is (Planck's constant h=6.6xx10^(-34)J-s )

Impurity levels in a doped semiconductor is found to be 35 millielectron volts below the conduction at temperature T_(1) when thermal collisions take place approximate amount of energy and reach the conduction band due to collisions then estimate the temperature of the sample

MOTION-SEMI CONDUCTOR AND LOGIC GATES-EXERCISE 2
  1. If the two ends of a p-n junction are joined by a conducting wire, the...

    Text Solution

    |

  2. A P-type semiconductor has acceptor levels 57 meV above the valence ba...

    Text Solution

    |

  3. A doped semiconductor has impurity levels 32 meV below the conduction ...

    Text Solution

    |

  4. The mean free path of a conduction electron in a metal is 5 xx 10^(-8)...

    Text Solution

    |

  5. Which of the following statements is correct ?

    Text Solution

    |

  6. In semiconductor the concentrations of electron and holes are 8xx10^(1...

    Text Solution

    |

  7. The current through an ideal PN junction shown in the following circui...

    Text Solution

    |

  8. Two identical p-n junctions may be connected in series in which a batt...

    Text Solution

    |

  9. In the figure an A.C of rms voltage 200 volt is appled to the circuit ...

    Text Solution

    |

  10. Which of the following statements is wrong ?

    Text Solution

    |

  11. If the following input signal is sent through a P-N junction diode, th...

    Text Solution

    |

  12. The value of current in the following diagram will be –

    Text Solution

    |

  13. In which of the following figure the junction diode is reverse biased ...

    Text Solution

    |

  14. Two identical capacitors A and B are charged to the same potential V a...

    Text Solution

    |

  15. In the circuit shown in figure, Voltage V0 is–

    Text Solution

    |

  16. Determine current I in the configuration –

    Text Solution

    |

  17. In the given circuit V(01) " and " V(02) are -

    Text Solution

    |

  18. A cube of germanium is placed between the poles of a magnet and a volt...

    Text Solution

    |

  19. A full wave rectifier circuit along with the output is shown in the fo...

    Text Solution

    |

  20. In the given figure potential difference between A and B is -

    Text Solution

    |