Home
Class 12
PHYSICS
A transistor is used in common emitter m...

A transistor is used in common emitter mode in an amplifier circuit.When a signal of 24 mV (millivolt) is added to base emitter voltage, the base current changes by `32 muA` (micro ampere) and collector current by 3.6 mA (milli ampere) and the load resistance is `4.8 k Omega` (kilo ohm). Calculate trans conductance `g_m`

Promotional Banner

Topper's Solved these Questions

  • Refraction of Light and Lenses

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise EXERCISE|93 Videos
  • Solids

    PUNJAB BOARD PREVIOUS YEAR PAPERS|Exercise Exercise|50 Videos

Similar Questions

Explore conceptually related problems

A transistor is used in common emitter mode in an amplifier circuit.When a signal of 24 mV (millivolt) is added to base emitter voltage, the base current changes by 32 muA (micro ampere) and collector current by 3.6 mA (milli ampere) and the load resistance is 4.8 k Omega (kilo ohm). Calculate current gain

A transistor is used in common emitter mode in an amplifier circuit.When a signal of 24 mV (millivolt) is added to base emitter voltage, the base current changes by 32 muA (micro ampere) and collector current by 3.6 mA (milli ampere) and the load resistance is 4.8 k Omega (kilo ohm). Calculate voltage gain.

A transistor is used in common emitter mode in an amplifier circuit.When a signal of 24 mV (millivolt) is added to base emitter voltage, the base current changes by 32 muA (micro ampere) and collector current by 3.6 mA (milli ampere) and the load resistance is 4.8 k Omega (kilo ohm). Calculate the input resistance R_be

A transistor is usedin common emitter mode in an amplifier circuit. It is found that when a signal of 20 mV (millivolt) is added to base-emitter voltage the basecurrent changes by 20 muA (micro ampere) nd collector current changes by 1.5 mA (milli ampere). Determine the current gain b, Input resistance Ri, transcondutance and voltage gain. Give load resistance R_l = 6kW (kilo ohm).

The input resistance of a silicon transistor is 665 Omega when base current is changed by 15muA , the collector current changes by 2mA. In a common emitter amplifier load resistance is 5k Omega . Calculate transconductance (g_m) & voltage gain (A_v) of the amplifier.

The input resistance of a silicon transistor is 665 Omega when base current is changed by 15muA , the collector current changes by 2mA. In a common emitter amplifier load resistance is 5k Omega . Calculate current gain beta_(ac)

PUNJAB BOARD PREVIOUS YEAR PAPERS-Semiconductor Devices-Exercise
  1. A transistor is used in common emitter mode in an amplifier circuit.Wh...

    Text Solution

    |

  2. A transistor is used in common emitter mode in an amplifier circuit.Wh...

    Text Solution

    |

  3. A transistor is used in common emitter mode in an amplifier circuit.Wh...

    Text Solution

    |

  4. A transistor is used in common emitter mode in an amplifier circuit.Wh...

    Text Solution

    |

  5. For a common emitter amplifier, dc (direct current) current gain is 10...

    Text Solution

    |

  6. For a common emitter amplifier, dc (direct current) current gain is 60...

    Text Solution

    |

  7. For a common emitter amplifier, dc (direct current) current gain is 20...

    Text Solution

    |

  8. A common emitter (CE) transistor has a current gain of 100. If emitter...

    Text Solution

    |

  9. A common emittertransistor has current gain of 96. If base current is ...

    Text Solution

    |

  10. A semiconductor has electron mobility as 2.2 xx 10^4 cm^2V^-1S^-1 andh...

    Text Solution

    |

  11. Draw a circuit diagram with a p-n junction in forward bias.

    Text Solution

    |

  12. Draw a circuit diagram with a p-n junction atreverse bias.

    Text Solution

    |

  13. State the factors, which controls intensity of light, emitted by a LED...

    Text Solution

    |

  14. Draw a circuit diagram to show how a photodiode is biased.

    Text Solution

    |

  15. State the factors, which controls wavelength of light, emitted by a LE...

    Text Solution

    |

  16. What do you mean by depletion region in a p-n junction ?

    Text Solution

    |

  17. Draw a PN-Junction with reverse bias.

    Text Solution

    |

  18. Write briefly, how a Zener diode acts as voltage regulator.

    Text Solution

    |

  19. Write in brief about Photo-diodes.

    Text Solution

    |

  20. Explain the terms depletion layer

    Text Solution

    |