Home
Class 12
PHYSICS
A load resistance of 3 kOmega is connect...

A load resistance of 3 k`Omega` is connected in the collector circuit of an amplifier using common emitter configuration with `beta` = 50 and input resistance 500`Omega`. If the input current is changed by 40`mu`A then by what amount does the output voltage change :-

A

3 V

B

4.5 V

C

6 V

D

9 V

Text Solution

Verified by Experts

The correct Answer is:
C

`DeltaV_0=DeltaI_C R_C =(2xx10^(-3))xx 3xx10^3`
=6V
Promotional Banner

Topper's Solved these Questions

  • NEET DRILL 3

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos
  • NEET DRILL TEST 5

    NEET MAJOR TEST (COACHING)|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A load resistor of 2 k Omega is connected in the collector branch of an amplifier circuit using a transistor in common-emitter mode.The current gain beta-50 .The input resistance of the transistor is 0.50 k Omega . If the input current is changed by 50 mu A ,(a)by what amount soes the output voltage change by ,(b)by what amount does the input voltage change and (c) what is the power gain ?

A n-p-n transisitor is connected in common emitter configuration in a given amplifier. A load resistance of 800 Omega is connected in the collector circuit and the voltage drop across it is 0.8 V . If the current amplification factor is 0.96 and the input resistance of the circuits is 192 Omega , the voltage gain and the power gain of the amplifier will respectively be

A common-emitter amplifier, has an input resistance of 500Omega and an output resistance of 40 kOmega . If the current gain is 75, then power gain of the transistor is

The current gain for a transistor used in common - emitter configuration is 98. If the load resistance be 1 M Omega and the internal resistance be 600Omega , what is the voltage gain ?

In a common emitter amplifier , the input resistance is 200 Omega and load resistance is 40 K Omega . If the current gain is 80, the voltage gasin of the amplifier is

A common emitter circuit is used as an amplifier, its current gain is 50. if input resistance is 1kOmega and input voltage is 5 volt then output current will be

In a common base transitor amplifier, the input and the output resistance area 500Omega and 40kOmega and the emitter current is 1.0mA find the input and the output voltages. Given alpha=0.95 .

NEET MAJOR TEST (COACHING)-NEET DRILL 4 -PHYSICS
  1. In the following circuit the equivalent resistance between A and B is ...

    Text Solution

    |

  2. If a cell is flowing current through external resistance then curve be...

    Text Solution

    |

  3. Two particles X and Y having equal charges, after being accelerated th...

    Text Solution

    |

  4. Figure shows a cross section of a ‘light pipe’ made of a glass fibre o...

    Text Solution

    |

  5. The energy that should be added to an electron, to reduce its de-Brogl...

    Text Solution

    |

  6. The currents l, lZ and lL are respectively :-

    Text Solution

    |

  7. The potential difference between the plates of a parallel plate capaci...

    Text Solution

    |

  8. Figure shows an irregular shapped wire AB moving with velocity v. Find...

    Text Solution

    |

  9. An extended object of size 2 cm is placed at a distance of 10 cm in ai...

    Text Solution

    |

  10. If the radiation of Mo (Z = 42) has a wevelength of 0.71Å, calculate w...

    Text Solution

    |

  11. A load resistance of 3 kOmega is connected in the collector circuit of...

    Text Solution

    |

  12. A parallel plate air capacitor has capacitance 18muF. If the distance ...

    Text Solution

    |

  13. A small circular loop is suspended from an insulating thread. Another ...

    Text Solution

    |

  14. For a long sighted person, least distant of distinct vision is x meter...

    Text Solution

    |

  15. A beta- particle is emitted by a radioactive nucleus at the time of co...

    Text Solution

    |

  16. The circuit given below is equivalent to :-

    Text Solution

    |

  17. A uniform but time varying magnetic field B = 2t^3 + 24t is represent ...

    Text Solution

    |

  18. The focal length of the objective lens of a telescope is 30 cm and tha...

    Text Solution

    |

  19. An atomic power nuclear reactor can deliver 300 MW. The energy release...

    Text Solution

    |

  20. During regulation action of a Zener diode correct statement is :- (...

    Text Solution

    |