Home
Class 12
PHYSICS
In a common emitter transistor amplifier...

In a common emitter transistor amplifier the audio signal voltage across the collector is `3K Omega`.If current gain is 100 and the base resistance is `2KOmega`, the voltage and power gain of the amplifies is :

A

15 and 200

B

150 and 15000

C

20 and 2000

D

200 and 1000

Text Solution

Verified by Experts

Promotional Banner

Topper's Solved these Questions

  • DUAL NATURE OF MATTER AND RADIATION

    SARAS PUBLICATION|Exercise EXAMPLE|27 Videos
  • ELECTROMAGNETIC WAVES

    SARAS PUBLICATION|Exercise EXAMPLE|15 Videos

Similar Questions

Explore conceptually related problems

For CE transistor amplifier, the, audio signal voltage across the collector resistance of 2KOmega is 4V. If the current amplification factor of the transistor is 100 and the bas resistance is 1KOmega then the input signal voltage is

For a transistor amplifier , the voltage gain

For a transistor amplifier , the voltage gain.

A npn transistor is cnnected in common emitter configuration in a given amplifier . A load resistance of 800Omega is connected in the collector circuit and the voltage drop across it is 0.8V. YF the current amplification factor is 0.96 and the input resistance of the circuit is 192Omega , the voltage gain and the power gain of the amplifier will respectivel be:

If a load of 6 k Omega is used, then the voltage gain of the amplifier is ……… .

For a CE transistor amplifier , the audio signal voltage across the collector resistance of 2.0 k Omega is 2.0 V . Suppose the current amplification factor of the transistor is 100 . What should be the value of R_(R) in series with V_(BB) supply of 2.0V if the dc base current has to be 10 times the signal current . Also calculate then de drop across the collector resistance . Take VBE=0.6V

For a CE- transistor amplifier , the audio signal voltage across the collected resistance of 2 k Omega is 2 V . Suppose the current amplification factor of the transistor is 100 , find the input signal voltage and base current , if the base is 1 k Omega .

In a common emitter transistor amplifier , the output resistance is 500 k Omega and the current gain beta = 49 . If the power gain of the amplifier is 5 xx 10^(6) , the input resistance is

For a transistor connected in common emitter mode , the voltage drop across the collector is 2 V and beta is 50 . Find base current if R_(C) is 2K .

SARAS PUBLICATION-ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS-EXAMPLE
  1. If voltage across a bulb rated 220Volt-100 Watt drops by 2.5% of its r...

    Text Solution

    |

  2. The current (I) in the inductance is varying with time according to t...

    Text Solution

    |

  3. Transfer characteristics output voltage (V0) vs input voltgae (V1) for...

    Text Solution

    |

  4. In an electrical circuit, R, I, C and AC voltage source are all connec...

    Text Solution

    |

  5. A coil of self-inductance L is connected in series with a bulb B and a...

    Text Solution

    |

  6. Ten identical cells connected in series are needed to heat a wire of l...

    Text Solution

    |

  7. A current of 2.5 A flows through a coil of inductance 5 H The magnetic...

    Text Solution

    |

  8. The primary of a transformer when connected to dc battery of 10 volt d...

    Text Solution

    |

  9. Two cities are 150 km apart Electric power is sent from one city to an...

    Text Solution

    |

  10. A transformer having efficiency of 90% is working on 200 V and 3 kW po...

    Text Solution

    |

  11. A resistane 'R' draws power 'P' when connected to an AC source.If an i...

    Text Solution

    |

  12. A conducting square frame of side 'a' and a long straight wire carryin...

    Text Solution

    |

  13. An electron moves on a straight line path XY as shown in the figure. T...

    Text Solution

    |

  14. In the given figure, a diod D is connected to an external resistance R...

    Text Solution

    |

  15. Two metal wires of identical dimensions are connected in ser...

    Text Solution

    |

  16. A circuit contains an ammeter, a battery of 30 V and a resistance 40.8...

    Text Solution

    |

  17. Which of the following combinations should be selected for better tuni...

    Text Solution

    |

  18. The potential differnces across the resistance capacitance and inducta...

    Text Solution

    |

  19. In a common emitter transistor amplifier the audio signal voltage acro...

    Text Solution

    |

  20. Figure shows a circuit that contains three identical resistor with re...

    Text Solution

    |