Home
Class 12
PHYSICS
In a transistor, doping level in base is...

In a transistor, doping level in base is increased slightly. How will it affect (i) collector current and (ii)base current?

Text Solution

AI Generated Solution

To solve the question regarding the effect of increasing the doping level in the base of a transistor on the collector current and base current, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding Transistor Structure**: - A transistor consists of three regions: the emitter, base, and collector. - The base is typically lightly doped compared to the emitter and collector. ...
Promotional Banner

Topper's Solved these Questions

  • XII BOARDS

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SET-II, DELHI BOARD|4 Videos
  • XII BOARDS

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SET-III, DELHI BOARD|4 Videos
  • XII BOARDS

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SET -III|4 Videos
  • SAMPLE PAPER 2019

    XII BOARD PREVIOUS YEAR PAPER ENGLISH|Exercise SECTION D|6 Videos

Similar Questions

Explore conceptually related problems

In a common emitter transistor, the current gain is 80 . What is the change in collector current, when the change in base current is 250 muA ?

In a transistor, the current amplification factor alpha is 0.9. The transistor is connected in common base configuration. The change in collector current when base current changes by 4 mA is

In a transistor the base is made very thin and is lightly doped with an impurity, because.

For a transistor the current amplification factor is 0.8 The transistor is connected in common emitter configuration, the change in collector current when the base current changes by 6mA is

In a transistor, the emitter , base and collector are respectively

A transistor has alpha=0.90 , the emitter current is 15mA, what is (a) The collector current ? (b) The base current ? (c) Gain beta ?

In a transistor circuit, when the base current is increased by 50mu A keeping the collector voltage fixed at 2 V. the collector current increases by 1 mA The current gain of the transistor is

In an NPN transistor the values of base current and collector current are 100muA and 9mA respectively the emitter current will be-

The current gain of a transistor in a common base arrangement in 0.98 . Find the change in collector current corresponding to a change of 5.0 mA in emitter current . What would be the change in base current?

The a-c current gain of a transistor is beta=19 . In its common-emitter configuration, what will be the change in the collector-current for a change of 0.4 mA in the base-current? What will be the change in the emitter current?

XII BOARD PREVIOUS YEAR PAPER ENGLISH-XII BOARDS-PHYSICS (Theory) [SET -I]
  1. The permeability of magnetic material is 0.9983. Name the type of magn...

    Text Solution

    |

  2. Show graphically, the variation of the de-Broglie wavelength lambda wi...

    Text Solution

    |

  3. In a transistor, doping level in base is increased slightly. How will ...

    Text Solution

    |

  4. Define the term 'wattles current'.

    Text Solution

    |

  5. When monochromatic light travels from one medium to another, its wavel...

    Text Solution

    |

  6. In the youngs double slit experiment ,the slit sepration is 1mm ,the d...

    Text Solution

    |

  7. A magnetic needle free to rotate in a vertical plane parallel to magne...

    Text Solution

    |

  8. Two convex lenses of same focal length but of aperture A(1) and A(2)(A...

    Text Solution

    |

  9. Name the semiconductor device that can be used to regulate an irregula...

    Text Solution

    |

  10. How are infrared waves produced? Why are these referred to as 'heat wa...

    Text Solution

    |

  11. Draw the tramsfer characteristic curve of a base biased transistor in ...

    Text Solution

    |

  12. Define modulation index. Why is it generally kept less than one ?

    Text Solution

    |

  13. A conductor of length L is connected to a dc source of emf epsilon. If...

    Text Solution

    |

  14. Using Gauss's law obtain the expression for the electric field due to ...

    Text Solution

    |

  15. An electron and a photon each have a wavelength 1.00 nm. Find (i) ...

    Text Solution

    |

  16. Draw a schematic diagram showing the (i) ground wave (ii) sky wave and...

    Text Solution

    |

  17. Describe Young's double slit experiment to produce interference patter...

    Text Solution

    |

  18. (a) Describe briefly, with the help of suitable diagram, how the tran...

    Text Solution

    |

  19. State the law of radioactive decay. Plot a graph showing the number (N...

    Text Solution

    |

  20. State Biot-Savart law, giving the mathematical expression for it. Us...

    Text Solution

    |