Home
Class 12
PHYSICS
The current gain for a common emitter am...

The current gain for a common emitter amplifier is 69. If the emitter current is 7 mA, the base current is

A

0.1 mA

B

1 mA

C

0.2 mA

D

2 mA

Text Solution

Verified by Experts

The correct Answer is:
A
Promotional Banner

Topper's Solved these Questions

  • NTA JEE MOCK TEST 19

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos
  • NTA JEE MOCK TEST 25

    NTA MOCK TESTS|Exercise PHYSICS|25 Videos

Similar Questions

Explore conceptually related problems

The current gain for common emitter amplifier is 69. If the emitter current is 7.0 mA , find (i) base current and (ii) collector current.

The current gain for common emitter amplifier is 59 . if the emitter current is 6.0mA, find the base of current and collector current

The current gain of a common emitter amplifier is "69." If the emitter current is "7.0mA" ,collector current is (A) 0.69mA (B) 6.9mA (C) 69mA (D) 9.6mA

The current gain in common emitter amplifier is 59 . If the emitter current is 6.0mA , find, (i) base current (ii) collector current.

In an n-p-n transistor, the current gain for common emitter configuration is 80. If the emitter current be 8.1 mA, then the base current will be

The current gain for transistor working as a common base amplifier is 0.96.If the emitter current is 7.2mA, then the base current is

The current gain for a transistor working as a common-base amplifier is 0.96 . If the emitter current is 7.2 mA , the base current will be

For a common emitter amplifier, current gain is 70 . If the emitter current is 8.4 mA , then the base current is

NTA MOCK TESTS-NTA JEE MOCK TEST 22-PHYSICS
  1. Two cells of E.M.F. E(1) and E(2)(E(2)gtE(1)) are connected in series ...

    Text Solution

    |

  2. A current carrying wire is placed in the grooves of an insulating semi...

    Text Solution

    |

  3. The minimum force required to move a body up an inclined plane is thre...

    Text Solution

    |

  4. Consider the figure here. A particle of mass m is constrain to move in...

    Text Solution

    |

  5. If the electron in hydrogen atom jumps from second Bohr orbit to g...

    Text Solution

    |

  6. The work done in blowing a soap bubble of volume V is W. The work done...

    Text Solution

    |

  7. A sphere of radius R is gently dropped into liquid of viscosity eta in...

    Text Solution

    |

  8. A thin converging lens of focal length f = 25 cm forms the image of an...

    Text Solution

    |

  9. In a diagram shown, a rod of mass M has been fixed on a ring of the sa...

    Text Solution

    |

  10. The current gain for a common emitter amplifier is 69. If the emitter ...

    Text Solution

    |

  11. Two vessel separately contains two ideal gases A and B at the same tem...

    Text Solution

    |

  12. The length of an object is measured using a vernier system whose main ...

    Text Solution

    |

  13. Two polaroids are crossed. If now one of them is rotated through 30^(@...

    Text Solution

    |

  14. A closed and an open organ pipe have the same length. When they are vi...

    Text Solution

    |

  15. Power of the only force acting on a particle of mass m=1 kg moving in ...

    Text Solution

    |

  16. The power dissipated (in watt) in 3Omega resistance in the following c...

    Text Solution

    |

  17. In LCR circuit current resonant frequency is 600Hz and half power poin...

    Text Solution

    |

  18. The plates of a parallel plate capacitor are charged to a potential di...

    Text Solution

    |

  19. A carnot engine has efficiency 1//5 . Efficiency becomes 1//3 when tem...

    Text Solution

    |

  20. In optical communication system operating at 1200nm, only 2% of the so...

    Text Solution

    |