Home
Class 12
PHYSICS
In the energy band diagram of a material...

In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is a/an

A

an n-type semiconductor

B

a p-type semicoductor

C

an insulator

D

a metal

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 3|29 Videos

  • ELECTRONICS - SEMI CONDUCTOR

    MOTION|Exercise EXERCISE - 1|41 Videos

  • ELECTROMAGNETISM

    MOTION|Exercise Exercise|136 Videos

  • ELECTROSTATICS

    MOTION|Exercise Exercise -3 Section (B) Previous Year Problems | JEE Main|30 Videos
MOTION-ELECTRONICS - SEMI CONDUCTOR-EXERCISE - 2
  1. A photocell employs photoelectric effect to convert

    Text Solution

    |

  2. A transistor is operated in common emitter configuration at constant c...

    Text Solution

    |

  3. In the energy band diagram of a material shown below, the open circles...

    Text Solution

    |

  4. A common emitter amplifier has a voltage gain of 50, an input impedanc...

    Text Solution

    |

  5. If P-N junction is reverse biased then width of depletion layer :-

    Text Solution

    |

  6. Fermi level of n-type semi-conductor lies in:-

    Text Solution

    |

  7. What is the energy gap in Si semiconductor?

    Text Solution

    |

  8. When P is dopped with Si, the resultant semi-conductor will be :-

    Text Solution

    |

  9. A p-n photodiode is made of a material with a band gap of 2.0 eV. The ...

    Text Solution

    |

  10. The voltage gain of an amplifier with 9% negative feedback is 10. The ...

    Text Solution

    |

  11. A p-n photodiode is fabricated from a semiconductor with a band gap of...

    Text Solution

    |

  12. A transistor is operated in common emitter configuration at V(c)=2 V s...

    Text Solution

    |

  13. The device that can act as a complete electronic circuit is

    Text Solution

    |

  14. Which one of the following statement is false ?

    Text Solution

    |

  15. If in a p-n junction diode , a square input single of 10 V is applied...

    Text Solution

    |

  16. Consider the junction diode as ideal. The value of current flowing thr...

    Text Solution

    |

  17. A n-p-n transisitor is connected in common emitter configuration in a ...

    Text Solution

    |

  18. For CE transistor amplifier, the audio signal voltage across the colle...

    Text Solution

    |

  19. The given circuit has two ideal diodes connected as show in the figure...

    Text Solution

    |

  20. In a common emitter transistor amplifier the audio signal voltage acro...

    Text Solution

    |