Home
Class 12
PHYSICS
For a transistor amplifier, the voltage ...

For a transistor amplifier, the voltage gain

A

remains constant for all frequencies

B

is high high and low frequencies and constant in the middle frequency range

C

is low at high and low frequencies and constant at mid frequencies

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NCERT FINGERTIPS|Exercise Digital Electronics And Logic Gates|16 Videos
  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NCERT FINGERTIPS|Exercise Higher Order Thinking Skills|8 Videos
  • SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS

    NCERT FINGERTIPS|Exercise Special Purpose P-N Junction Diode|8 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos
  • WAVE OPTICS

    NCERT FINGERTIPS|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

For transistor amplifier, the voltage gain

For transistor amplifier the voltage gain (a) remains constant for all frequencies (b) is high at high and low frequencies (c ) is low at high and low frequencies and constant in the middle frequency range (d) none of these

For a transistor amplifier power gain and voltage gain are 7.5 and 2.5 respectively. The value of the current gain will be

For a transistor amplifier power gain and voltage gain are 7.5 and 2.5 respectively. The value of the current gain will be -

For a common emitter amplifier, the voltage gain is 40. Its input and output impedances are 100 Omega and 400 Omega respectively. The power gain of the C.E. amplifier will be

In a common emitter transistor transistor amplifier, the audio signal voltage across the collector is 3kOmega . If current gain is 100 and the base resistance is 2kOmega , the voltage and power gain of the amplifier are

In which of the transistor configurations, the voltage gain is highest ?

Draw a labelled circuit diagram of a common base amplifier using a p-n-p transistor. Define the term voltage gain and write an expression for it.

NCERT FINGERTIPS-SEMICONDUCTOR ELECTRONICS : MATERIALS , DEVICES AND SIMPLE CIRCUITS -Junction Transistor
  1. The emitter of transistor is doped the heaviest because it

    Text Solution

    |

  2. The heavily and lightly doped regions of a bipolar junction transistor...

    Text Solution

    |

  3. For a transistor amplifier, the voltage gain

    Text Solution

    |

  4. An oscillator is nothing but an amplifier with

    Text Solution

    |

  5. The current amplification factor alpha of a common base transistor and...

    Text Solution

    |

  6. If beta, RL and r are the ac current gain, load resistance and the inp...

    Text Solution

    |

  7. If alpha and beta are the current gain in the CB and CE configuration...

    Text Solution

    |

  8. A transistor has a current amplification factor (current gain) of 50. ...

    Text Solution

    |

  9. Two amplifiers are connected one after the other in series (cascaded)....

    Text Solution

    |

  10. The amplifiers X, Y and Z are connected in series. If the voltage gain...

    Text Solution

    |

  11. what is the output signal voltage (peak value) if dc supply voltage is...

    Text Solution

    |

  12. In n-p-n transistor circuit, the collector current is 10 mA. If 90% of...

    Text Solution

    |

  13. A transistor connected in common emitter mode, the voltage drop across...

    Text Solution

    |

  14. The power gain for common base amplifier is 800 and the voltage amplif...

    Text Solution

    |

  15. The current gain for a common emitter amplifier is 69. If the emitter ...

    Text Solution

    |

  16. The potential difference across the collector of a transistor, used in...

    Text Solution

    |

  17. In a common -emitter transistor amplifier, an increase of 50muA in the...

    Text Solution

    |

  18. For a common emitter transistor amplifier, the audio signal voltage ac...

    Text Solution

    |

  19. The ac current gain of a transistor is 120. What is the change in the ...

    Text Solution

    |

  20. In an n-p-n circuit transistor, the collector current is 10 mA. If 80%...

    Text Solution

    |