Home
Class 12
PHYSICS
The input resistance of a silicon transi...

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.

Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR DEVICES

    MODERN PUBLICATION|Exercise EXERCISE|174 Videos
  • REFRACTION OF LIGHT

    MODERN PUBLICATION|Exercise EXERCISE|168 Videos
  • Solids

    MODERN PUBLICATION|Exercise EXERCISE|66 Videos

Similar Questions

Explore conceptually related problems

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)

Draw a circuit diagram for use of NPN trnasistor as an amplifier in common emitter configuration. The input resitance of transistor is 1000 Omega . On changing its base current by 10muA , the collector current is increased by 2mA. If the load resistance 5k Omega is used in the circuit, calculate the voltage gain of amplifier.

the input resistance of a comon-emitter amplifier is 2kOmega and a.c. current gain is 20. If the laod resistor used is 5kOmega calculate the voltage gain of the amplifier

A change of 20 muA in the base current produces a change of 0.5mA in the collector current. Calculate beta_(ac)

In a silicon transistor, the base current is changed by 20muA . This results in a change of 0.02 V in base to emitter voltage and a change of 2mA in the collector current. This transistor is used as an amplifier in CE configuration with load resistance 5kOmega . What is the voltage gain of the amplifier.

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

In a silicon transistor, the base current is changed by 20muA . This results in a change of 0.02 V in base to emitter voltage and a change of 2mA in the collector current. Find the input resistance, beta_(ac) and transconductance of the transistor g_m .

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).

MODERN PUBLICATION-SEMICONDUCTOR DEVICES-EXERCISE
  1. The input resistance of a silicon transistor is 665 Omega when base cu...

    Text Solution

    |

  2. Explain the two processes involved in the formation of a p-n junciton ...

    Text Solution

    |

  3. Describe briefly, with the help of a diagram, the role of the two impo...

    Text Solution

    |

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

    Text Solution

    |

  5. Explain the terms depletion layer and potential barrier for a junction...

    Text Solution

    |

  6. Explain the terms depletion layer and potential barrier for a junction...

    Text Solution

    |

  7. Explain the two processes involved in the formation of a p-n junciton ...

    Text Solution

    |

  8. Explain forward bias and reverse bias of the junction diode.

    Text Solution

    |

  9. Explain forward bias and reverse bias of the junction diode.

    Text Solution

    |

  10. Explain forward bias and reverse bias of the junction diode.

    Text Solution

    |

  11. With the help of circuit diagram, explain theV-l characteristics of p-...

    Text Solution

    |

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

    Text Solution

    |

  13. With the help of circuit diagram, explain theV-l characteristics of p-...

    Text Solution

    |

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

    Text Solution

    |

  15. Explain with the help of circuit diagram, how V-l characteristics of p...

    Text Solution

    |

  16. With the help of circuit diagram, explain theV-l characteristics of p-...

    Text Solution

    |

  17. Define the term dynamic resistance of a p-n junction diode.

    Text Solution

    |

  18. Define Rectification. With the help a circuit diagram explain the work...

    Text Solution

    |

  19. With the help of circuit diagram explain working of junction diode as ...

    Text Solution

    |

  20. Draw the circuit diagram of a half wave rectifier using a junction dio...

    Text Solution

    |

  21. Draw the circuit diagram of a half wave rectifier using a junction dio...

    Text Solution

    |