Home
Class 12
PHYSICS
A common emitter amplifier is designed w...

A common emitter amplifier is designed with NPN transistor `(alpha = 0.99)`. The input impedance is `1 K Omega` and load is `10 K Omega`. The voltage gain will be

A

`9.9`

B

`99`

C

`990`

D

`9900`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE|Exercise Assignment section -C (Previous years type question)|77 Videos
  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE|Exercise Assignment SECTION - D (Assertion & reason type Question)|10 Videos
  • SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )

    AAKASH INSTITUTE|Exercise Assignment section -A (Objective Type Question)|38 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION - D)|16 Videos
  • SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

    AAKASH INSTITUTE|Exercise Assignment (Section-D (Assertion and reason))|5 Videos

Similar Questions

Explore conceptually related problems

A common emitter amplifier is designed with NPN transistor (alpha=0.99) . The input impedence is 1k Komega and load is 10 Komega . The voltage gain will be

A common-emitter amplifier is designed with an n-p-n transistor (alpha=0.99) .The input impedance is 1kOmega and the load is 10kOmega .The voltage gain will be

A common emitter amplifier is designed with n-p-n transistor (alpha=0.99) . The input resistance is 1K ohm and load is 10 k ohm . The voltage gain will be

A CE amplifier is designed with a transistor having alpha =0.99 . Input impedance is 1 k Omega and load is 10 k Omega . Voltage gain will be :

The current gain in the CE mode of a transistor is 10. If the input impedance is 10 K Omega and load resistance = 60 K Omega , then the power gain will be

The current gain in the common emitter mode of a transistor is 10. The input impedance is 20kOmega and load of resistance is 100k Omega . The power gain is

A non transistor operates as a common emitter amplifier, with a power gain of 60 dB. The input circuit resistance is 100 Omega and the output load resistance is 10 k Omega . The common emitter current gain beta is:

An npn transistor operates as a common emitter amplifier with a power gain of 10^6 . The input circuit resistance is 100 Omega and the output load resistance is 10 k Omega . The common emitter current gain ' beta ' will be (Round off to the Nearest Integer)

In a common emitter amplifier , the input resistance is 1 Omega and load resistance is 10 K Omega . If the current gain is 100, the voltage gasin of the amplifier is

AAKASH INSTITUTE-SEMICONDUCTOR ELECTRONICS (MATERIAL, DEVICES AND SIMPLE CIRUITS )-Assignment section -B (Objective Type Question)
  1. A p-n-p transistor is said to be in active region of operation, When

    Text Solution

    |

  2. A transistor has a current amplification factor of 60. In a CE amplifi...

    Text Solution

    |

  3. A common emitter amplifier is designed with NPN transistor (alpha = 0....

    Text Solution

    |

  4. Pure Si at 300 K has hole and electron densities are 1.5 xx 10^(16)m^(...

    Text Solution

    |

  5. A common emitter transistor amplifier has a current gain of 50. If the...

    Text Solution

    |

  6. A p-n photodiode is manufactured from a semiconductor with band gap of...

    Text Solution

    |

  7. The electrical conductivity of semicondutor increases when electromagn...

    Text Solution

    |

  8. Zener breakdown takes place if

    Text Solution

    |

  9. In a p-n junction, solar cell, the value of photoelectromotive force p...

    Text Solution

    |

  10. In case of an n-p-n transistor, the collector current is always less t...

    Text Solution

    |

  11. The depletion region of p-n junction has a thickness of the order of

    Text Solution

    |

  12. In an n-p-n transistor, the collector current is 10 mA. If 90% of the ...

    Text Solution

    |

  13. A transistor cannot be used as an

    Text Solution

    |

  14. What is the power gain in a CE amplifier, where input resistance is 3k...

    Text Solution

    |

  15. A transistor having alpha = 0.99 is used in a common base amplifier. I...

    Text Solution

    |

  16. A potential difference of 2.5 V is applied across the faces of a germa...

    Text Solution

    |

  17. Three amplifiers each having voltage gain 10, are connected in series....

    Text Solution

    |

  18. The maximum effeciency of full wave rectifier is

    Text Solution

    |

  19. The output across the load resistance R is (##AAKP7NEETPHYSP7C29E0403...

    Text Solution

    |

  20. Which of the following pn junction is not used in reverse bias?

    Text Solution

    |