Home
Class 12
PHYSICS
While a collector to emitter voltage is ...

While a collector to emitter voltage is constant in a transistor, the collector current changes by `8.2 mA` when the emitter current changes by `8.3 mA`. The value of forward current ratio `h_(fe)` is

A

82

B

83

C

`8.2`

D

`8.3`

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • ELECTRONICS

    ERRORLESS |Exercise Digital Electronics|2 Videos
  • ELECTRONICS

    ERRORLESS |Exercise Valve Electronics (Diode and Triode)|3 Videos
  • ELECTRON, PHOTON, PHOTOELECTRIC EFFECT AND X-RAYS

    ERRORLESS |Exercise Self Evaluation Test|3 Videos
  • ELECTROSTATICS

    ERRORLESS |Exercise Ordinary Thinking Objective Questions (Electric Flux and Gauss.s Law)|28 Videos

Similar Questions

Explore conceptually related problems

In a transistor, the collector current varies by 0.49 mA and emitter current varies by 0.50 mA.

In a transistor, the collector current changes by 0.99 mA with a 1 mA change in the emitter current. What is the common-base current gain of the transistor?

If an emitter current is changed by 4 mA, the collector current changes by 3.5 mA. The value of beta will be :

In p-n-p transistor the base current is 1 mA and the collector current is 10 mA . The emitter current is

In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is

In a common base mode of transistor, collector current is 5.488 mA for an emitter current of 5.60mA . The value of the base current amplification factor (beta) will be :

In the CB mode of a transistor, when the collector voltage is changed by 0.5 volt. The collector current changes by 0.05 mA . The output resistance will be

In a p-n-p transistor the emitter current is 10 mA and the collector current is 9 mA . Then the base current is

When base -emitter voltage of a transistor connected in the common-emitter mode is changed by 20 mV the collector current is changed by 25 mA . Find the transconductance.

ERRORLESS -ELECTRONICS-Selv Evaluation Test
  1. While a collector to emitter voltage is constant in a transistor, the ...

    Text Solution

    |

  2. In a pure silicon (n(i)=10^(16)//m^(3)) crystal at 300K, 10^(21) atoms...

    Text Solution

    |

  3. In the Boolean algebra bar(A).bar(B) equals is :-

    Text Solution

    |

  4. In the given circuit as shown the two input waveform A and B are appli...

    Text Solution

    |

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

    Text Solution

    |

  6. In transistor, forward bias is always smaller than the reverse bias. T...

    Text Solution

    |

  7. In NPN transistor, if doping in base region is increased then collecto...

    Text Solution

    |

  8. In the following circuit I(1) and I(2) are respectively

    Text Solution

    |

  9. In space charge limited region, the plate current in a diode is 10 mA ...

    Text Solution

    |

  10. A triode has a plate resistance of 10 k Omega and amplification factor...

    Text Solution

    |

  11. Pure sodium (Na) is a good conductor of electricity because the 3s and...

    Text Solution

    |

  12. Would there be any advantage to adding n-type or p-type impurities to ...

    Text Solution

    |

  13. In the following common emitter circuit if beta=100, V(CE)=7 V, V(BE)=...

    Text Solution

    |

  14. When a battery is connected to a P-type semiconductor with a metallic ...

    Text Solution

    |

  15. Is the ionisation energy of an isolated free atom different from the i...

    Text Solution

    |

  16. In the following circuit, a voltmeter V is connected across a lamp L. ...

    Text Solution

    |

  17. For given electric voltage signal dc value is

    Text Solution

    |

  18. When a silicon PN junction is in forwards biased condition with series...

    Text Solution

    |

  19. In the following circuit the equivalent resistance between A and B is

    Text Solution

    |

  20. In the following circuit of PN junction diodes D(1),D(2) and D(3) are ...

    Text Solution

    |

  21. In circuit in following figure the value of Y is-

    Text Solution

    |