Home
Class 12
PHYSICS
In a common base circuit, if the collect...

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

A

`10^(4) Omega`

B

`2 xx 10^(4) Omega`

C

`3 xx 10^(4) Omega`

D

`4 xx 10^(4) Omega`

Text Solution

Verified by Experts

The correct Answer is:
C

`V_(CB) = I_(C) xx R_(out)`.
Promotional Banner

Topper's Solved these Questions

  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise Level-II (H.W)|36 Videos
  • SEMI CONDUCTOR DEVICES

    NARAYNA|Exercise NCERT (Comprehension)|13 Videos
  • RAY OPTICS AND OPTICAL INSTRAUMENTS

    NARAYNA|Exercise EXERCISE- 4 One or more than one correct answer type|13 Videos
  • SEMICONDUCTOR ELECTRONICS

    NARAYNA|Exercise ADDITIONAL EXERCISE (ASSERTION AND REASON TYPE QUESTIONS :)|19 Videos

Similar Questions

Explore conceptually related problems

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 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,

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-

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 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.

When the emitter current of a transistor is changed by 1 mA, its collector current changes by 0.990 mA. In the common base circuit, current gain for the transistor is

In a silicon transistor the base current is chage by 20muA and this changes the emitter base voltage by 0.02V and the collector current changes by 2 mA. If the transistor is used as an amplifier with load resistance 5kOmega , what is the voltage gain?

Assertion: The current gain in common base circuit is always less than one. Reason: At constant collector votalge the change in collector current is more than the change in emitter current.

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

NARAYNA-SEMI CONDUCTOR DEVICES-Level-I (H.W)
  1. If a full wave rectifier circuit is operating from 50 Hz mains, the fu...

    Text Solution

    |

  2. In an npn transistor the base the collector currents are 100 muA and 9...

    Text Solution

    |

  3. A change of 8mA in the emitter current brings a change if 7.9 mA in th...

    Text Solution

    |

  4. For a p-n-p transistor in CB configuration, the emitter current I(E) i...

    Text Solution

    |

  5. If a change of 100 mu A in the base current of an n-p-n transistor in ...

    Text Solution

    |

  6. For a common emitter amplifier, current gain is 70. If the emitter cur...

    Text Solution

    |

  7. The base current of a transistor is 105 mu A and the collector current...

    Text Solution

    |

  8. For a transistor the value of alpha is 0.9. beta value is

    Text Solution

    |

  9. For a transistor the current amplification factor is 0.8 The transisto...

    Text Solution

    |

  10. A change of 400 mV in base-emitter voltage causes a change of 200 mu A...

    Text Solution

    |

  11. In a common base circuit, if the collector base voltage is changed by ...

    Text Solution

    |

  12. A common emitter transistor amplifier has a current gain of 50. If the...

    Text Solution

    |

  13. Equivalent of decimal number 8 in the binary number is

    Text Solution

    |

  14. The equivalent of 110 in the decimal number is

    Text Solution

    |

  15. If A=1,B=0 then the value of overline (A) + B in terms of Boolean alge...

    Text Solution

    |

  16. In the Boolean algebra : A + B =

    Text Solution

    |

  17. The following one represents logic addition is

    Text Solution

    |

  18. In the Boolean algebra : overline(A).overline(B) = ….

    Text Solution

    |

  19. In the Boolean algebra, which gate is expressed as Y = overline(A + B)...

    Text Solution

    |

  20. The truth table for NOT gate is.

    Text Solution

    |