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 at high as well as low frequencies and constant in the middle frequency range.

C

is low at high and low frequency range.

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    TARGET PUBLICATION|Exercise Competitive thinking|110 Videos

  • ROTATIONAL MOTION

    TARGET PUBLICATION|Exercise MCQ|245 Videos

  • STATIONARY WAVES

    TARGET PUBLICATION|Exercise EVALUATION TEST|16 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.

TARGET PUBLICATION-SEMICONDUCTORS-Evaluation Test
  1. Which of the energy band diagrams shown in the figure corresponds to t...

    Text Solution

    |

  2. A zener-regulated power supply consists of a 9 V battery connected in ...

    Text Solution

    |

  3. The current gain of a transistor is 0.94. The change in collector curr...

    Text Solution

    |

  4. For a photodiode, the forbidden energy gap (Eg) of the material used i...

    Text Solution

    |

  5. If the two ends p and n of p-n junction diode are joined by a wire,

    Text Solution

    |

  6. Assertion : A transistor amplifier in common emitter configuration ha...

    Text Solution

    |

  7. Assertion : In a transistor the base is made thin. Reason: A thin b...

    Text Solution

    |

  8. Carbon, silicon and germanium have four valence electrons each. The mo...

    Text Solution

    |

  9. The input resistance of a CE amplifier is 400 Omega and the load resis...

    Text Solution

    |

  10. The number densities of electrons and holes in a pure germanium at roo...

    Text Solution

    |

  11. For a transistor amplifier, the voltage gain

    Text Solution

    |

  12. A common-emitter amplifier, has an input resistance of 500Omega and an...

    Text Solution

    |

  13. A p-n junction diode when forward biased has a drop of 0.4 V which is ...

    Text Solution

    |

  14. A transistor has alpha=0.96. If the emitter current is 8 mA, what are ...

    Text Solution

    |

  15. In an n-p-n transistor 10^(10) electrons enter the emitter in 10^(-6) ...

    Text Solution

    |

  16. A transistor is connected in common-emitter (CE) configuration.The col...

    Text Solution

    |

  17. The maximum wavelength which a photodiode can detect with Eg=0.74 eV i...

    Text Solution

    |