Home
Class 12
PHYSICS
In an amplifier the load resistance R(L)...

In an amplifier the load resistance `R_(L)` is equal to the plate resistance `(r_(p))`. The voltage amplification is equal to

A

`mu`

B

`2mu`

C

`mu//2`

D

`mu//4`

Text Solution

Verified by Experts

The correct Answer is:
C
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 triode amplifier, the load resistance is equal to the plate resistance r_(p) . If mu is the amplification factor, the stage gain of the amplifier is

For a triode r_(p)=10 kilo ohm and g_(m)=3 milli mho . If the load resistance is double of plate resistance, then the value of voltage gain will be

An n-p-n transistor in a common emitter mode is used as a simple voltage amplifier with a collector connected to load resistance R_(L) and to the base through a resistance R_(B) . The collector-emmiter voltage V_(CE) = 4V , the base-emitter voltage V_(BE) = 0.6 V , current through collector is 4 mA and the current amplification factor beta = 100 Calculate the value of R_(L) and R_(B) .

In diode, when there is saturation current, the plate resistance (r_(p)) is

In a common base transistor amplifier if the input resistance R_(i) is 200 Omega and load resistance R_(L) is 20K Omega , find voltage gain (alpha=0.95)

An N-P-N transistor in a common emitter mode is used as a simple voltage amplifier with a collecter current of 4mA. The terminal of a 8 V battery is connected to the collector through a load ressitance R_(L) and to the base through a resistance R_(B) . The collector-emitter voltage V_(C E ) =4V base -emitter voltage V_(BE) = 0.6V and base current amplification factor beta_(d.c.) = 100 .Find the values of R_(L) and R_(B) .

A npn transistor in a common emitter mode is used as a simple voltage amplifier with a collector current of 5mA . The terminal of 10V battery is connected to a collector through a load resistance R_(L) and to the base through a resistance R_ . The collector emitter voltage V_(CE)=5V , base emitter voltage, V_(BE)=0.5V and base current amplification factor beta_(d.c.)=100 . Calculate the value of R_(L) and R_ .

A common emitter transistor amplifier has a current gain of 50 . If the load resistance is 4k Omega , and input resistance is 500 Omega , the voltage gain of amplifier is.

In common-emitter transistor amplifier the load resistance of the output circuit is 1000 times the load resistance of the input circuit. If alpha=0.98 , then calculate the voltage gain.

ERRORLESS -ELECTRONICS-Selv Evaluation Test
  1. In an amplifier the load resistance R(L) is equal to the plate resista...

    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

    |