Home
Class 12
PHYSICS
For a transistor, beta = 50. Input resis...

For a transistor, `beta` = 50. Input resistance (`R_i`) = 200`Omega`. Output resistance (`R_o` ) = 2000`Omega`. The voltage gain of the amplifier is

A

300

B

500

C

100

D

600

Text Solution

Verified by Experts

The correct Answer is:
B

Voltage gain=`beta.R_o/R_i = 50xx2000/200 =500`
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP - 3|8 Videos
  • STATIONARY WAVES

    MARVEL PUBLICATION|Exercise TEST YOUR GRASP-8|20 Videos

Similar Questions

Explore conceptually related problems

A common emitter transistor amplifier has a current gain of 50 . If the load resistance is 4k Omega , and input resistance is 500 Omega , the voltage gain of amplifier is.

In a common base transistor amplifier if the input resistance R_(i) is 200 Omega and load resistance R_(L) is 20K Omega , find voltage gain (alpha=0.95)

For a common emitter amplifier, input resistance (R_i) = 500Omega and load resistance R_L = 5000Omega . If beta = 60, then the voltage gain is

In a common emitter amplifier , the input resistance is 200 Omega and load resistance is 40 K Omega . If the current gain is 80, the voltage gasin of the amplifier is

A common emitter amplifier has a voltage gain of 50, an input impedance of 100Omega and an output impedace of 200Omega . The power gain of the amplifier is

MARVEL PUBLICATION-SEMICONDUCTORS -MCQs
  1. The energy band gap is maximum in

    Text Solution

    |

  2. INTRINSIC SEMICONDUCTORS

    Text Solution

    |

  3. A semiconductor is known to have an electron concentration of 5 xx 10^...

    Text Solution

    |

  4. When arsenic is added as an impurity to silicon, the resulting materia...

    Text Solution

    |

  5. which one of the following statements is wrong ?

    Text Solution

    |

  6. In a p-n junction, the thickness of the depletion layer is 10^(-6) m. ...

    Text Solution

    |

  7. What is the current in the following junction diode circuit?

    Text Solution

    |

  8. A p-n junction diode has a forward bias resistance of 10Omega and a re...

    Text Solution

    |

  9. The width of the depletion region in a p-n junction diode is 400 nm an...

    Text Solution

    |

  10. The circuit has two oppositely connected ideal diodes in parallel. Wha...

    Text Solution

    |

  11. State the reason, why GaAs is most commonly used in making of a solar ...

    Text Solution

    |

  12. Avalanche breakdown is due to

    Text Solution

    |

  13. A P-N photodiode is fabricated from a semiconductor with a band gap of...

    Text Solution

    |

  14. What is the current flowing through 1 KOmega restsor in the following...

    Text Solution

    |

  15. For a transistor, beta = 50. Input resistance (Ri) = 200Omega. Output ...

    Text Solution

    |

  16. A transistor is used in common emitter configuration. Given its alpha=...

    Text Solution

    |

  17. If the current gain in CB configuration is 0.96, then the current gain...

    Text Solution

    |

  18. For a transistor the parameter beta=99. The value of the parameter alp...

    Text Solution

    |

  19. The following truth table corresponds to the logic gate |(A,0,0,1,1)...

    Text Solution

    |

  20. The following truth table belongs to which one of the following four g...

    Text Solution

    |