Home
Class 12
PHYSICS
What is the voltage gain of a transistor...

What is the voltage gain of a transistor with load resistance `100 Omega` and internal resistance `200 Omega` ? Given that `beta = 90`.

A

400

B

450

C

800

D

900

Text Solution

Verified by Experts

The correct Answer is:
B

`A_v=betaR_L//R_i=450`
Promotional Banner

Topper's Solved these Questions

  • SOLIDS & SEMICONDUCTOR DEVICES

    MODERN PUBLICATION|Exercise Multiple Choice Questions - LEVEL -I (ASSERTION)|5 Videos
  • SOLIDS & SEMICONDUCTOR DEVICES

    MODERN PUBLICATION|Exercise Multiple Choice Questions - LEVEL -I (PARAGRAPH)|6 Videos
  • ROTATIONAL MOTION

    MODERN PUBLICATION|Exercise RCQ|8 Videos
  • TRANSFERENCE OF HEAT

    MODERN PUBLICATION|Exercise Recent Competitive Questions|4 Videos

Similar Questions

Explore conceptually related problems

What is the voltage gain in a common emitter amplifier, where input resistance is 3 Omega and load resistance 24 Omega, beta = 0.6 ?

A common emitter amplifier has current gain 70. Its lead resistance is 5 kOmega and input resistance is 500 Omega . The voltage gain is

What is meant by the statement that the resistance of a wire is 1 Omega ?

In the electric circuit shown , each cell has an e.m.f. of 2V and internal resistance of 1 Omega . The external resistance is 2 Omega . The value of the current I is (in A).

A battery having emf 4 V and internal resistance 0.5 Omega is connected with a resistance of 4.5 Omega . The voltage at the terminals of the battery now is

What is the value of shunt resistance required to convert a galvanometer of resistance 100 Omega into an ammeter of range 1 A ? Given: Full scale deflection of the galvanometer is 5 mA.

What is the value of shunt resistance required to convert a galvanometer of resistance 100 Omega into an ammeter ofrange 1 A? Given : Full scale deflection of the galvanometer is 5 mA

A voltmeter of range 3V and resistance 200 Omega cannot be converted to an ammeter of range :

MODERN PUBLICATION-SOLIDS & SEMICONDUCTOR DEVICES-Revision Test
  1. What is the voltage gain of a transistor with load resistance 100 Omeg...

    Text Solution

    |

  2. Choose the forward biased p-n junction :

    Text Solution

    |

  3. Choose the reverse biased p-n junction :

    Text Solution

    |

  4. The forward biased characteristics of a p - n junction are :

    Text Solution

    |

  5. If Ie is emitter current , Ib is base current and Ic is the collector ...

    Text Solution

    |

  6. Zener diode is :

    Text Solution

    |

  7. The reverse biased characteristics of a p-n junction are :

    Text Solution

    |

  8. The advantage of BJT (Bipolar junction transistor) over vacuum tube tr...

    Text Solution

    |

  9. For an unknown element , the thickness of forbidden band is 4.97 eV an...

    Text Solution

    |

  10. At abosolute zero, a metal will behave as :

    Text Solution

    |

  11. A piece aluminium and germanium each, are cooled from T1 K to T2 K . T...

    Text Solution

    |

  12. One speaks of mutual characteristics in connection with L :

    Text Solution

    |

  13. In a frequency modulated wave :

    Text Solution

    |

  14. A small portion of Indium is incorporated is germanium . The crystal w...

    Text Solution

    |

  15. In a transistor the base is made very thin and a very hightly doped ...

    Text Solution

    |

  16. The safety limit of temperature for germanium and silicon are :

    Text Solution

    |

  17. A semiconductor diode designed to operate in breakdown region is calle...

    Text Solution

    |

  18. Power consumed by an ideal diode is :

    Text Solution

    |

  19. A conductor at very high temperature becomes :

    Text Solution

    |

  20. Zenor breakdown semiconductor

    Text Solution

    |

  21. Conduction - electron have more mobility than holes because these elec...

    Text Solution

    |