Home
Class 12
PHYSICS
In the CB mode of a transistor, when the...

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

A

`10 K Omega`

B

`20 K Omega`

C

`5 K Omega`

D

`2.5 K Omega`

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 common base circuit, if the collector base voltage is changed by 0.6 V , collector current changes by 0.02mA . The output resistance will be

In a common emiter transistor circuit, if the collector-emitter voltages changes by 0.2V , the collector current changes by 0.004mA . What is the output resistance of the circuit,

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

In a common emitter circuit, if V_(CE) is changed by 0.2 V, then collector current changed by 4xx10^(-3)mA . Output resistance will be-

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.

A transistor is used in Common-emitter mode in an amplifier circuits. When a signal of 20 mV is added to the base-emitter voltage, the base current changes by 40 muA and the collector current changes by 2mA. The load resistance is 5 kOmega then the voltage gain is

When the voltage between emitter and the base V_(EB) of a transistor is chaged by 5 mV while keeping the collector voltage V_(CE) fixed when then its emitter current changes by 0.15 mA. Calculate the input resistance of the transistor.

A transistor is used in CE configuration, when a signal of "20mV" is added to the base- emitter voltage the base current changes by 20μA and collector current changes by 2mA .The load resistance 5kΩ . Then find the input resistance of amplifier (in kΩ)?

A transistor is used in a common-emitter mode in an amplifier circuit. When a single of 20 mV is added to the base-emitter voltage, the base current change by 20 muA and the collector current changes by 2mA . The load resistor in 5kOmega . What is the volume of beta ?

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

ERRORLESS -ELECTRONICS-Selv Evaluation Test
  1. In the CB mode of a transistor, when the collector voltage is changed ...

    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

    |