Home
Class 12
PHYSICS
In a transistor, base is made very thin....

In a transistor, base is made very thin.Explain.

Promotional Banner

Topper's Solved these Questions

  • Refraction of Light and Lenses

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise EXERCISE|93 Videos

  • Solids

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|50 Videos

Similar Questions

Explore conceptually related problems

In a transistor, base is always thin and lightly doped. (True/false)

Write the function of base region of a transistor. Why is the region made thin and slightly doped?

What happens if forward bias is made very high?

Molecular nitrogen is chemically very inert. Explain why?

How the common emitter n-p-n transistor is used as a switch? Explain with the help of a circuit diagram.

In a transistor, doping level in base is increased slightly. Now will it affect collector current?

PUNJAB BOARD PREVIOUS YEAR PAPERS-Semiconductor Devices-Exercise
  1. Explain the terms depletion layer

    Text Solution

    |

  2. Explain the terms potential barrier for a junction diode.

    Text Solution

    |

  3. In a transistor, base is made very thin.Explain.

    Text Solution

    |

  4. Why a transistor cannot be used as a rectifier ?

    Text Solution

    |

  5. The resistance of a p-n junction is low, when forward biased and is hi...

    Text Solution

    |

  6. What is photo cell ? State its three applications.

    Text Solution

    |

  7. Write briefly, how a Zener diode acts as voltage regulator.

    Text Solution

    |

  8. Why does the thickness of depletion layer of pn-junction increases in ...

    Text Solution

    |

  9. What is a solar cell ? How does it work ? Write its one use.

    Text Solution

    |

  10. Explain how the depletion layer and barrier potential are formed in pn...

    Text Solution

    |

  11. Explain forward bias and reverse bias of the junction diode.

    Text Solution

    |

  12. With the help of circuit diagram explain working of junction diode as ...

    Text Solution

    |

  13. With the help of labelled circuit diagram, explainthe working of trans...

    Text Solution

    |

  14. With the help of circuit diagram, explain the working of transistor as...

    Text Solution

    |

  15. With the help of circuit diagram, explain the working of transistor as...

    Text Solution

    |

  16. With the help of suitable diagrams, explain the function of p-n juncti...

    Text Solution

    |

  17. Define Rectification. With the help a circuit diagram explain the work...

    Text Solution

    |

  18. What is junction diode ? How is depletion layer formed ? Draw its forw...

    Text Solution

    |

  19. What is transistor ? Give the symbols of n-p-n and p-n-p transistor.

    Text Solution

    |

  20. Explain with diagram, the working of a transistor as a common-emitter ...

    Text Solution

    |