Home
Class 11
PHYSICS
For transistor relation in current ampli...

For transistor relation in current amplification factors is-

A

`alpha = (beta)/(1 - beta)`

B

`beta = (alpha)/(1 - alpha)`

C

`alpha = (1+beta)/(beta)`

D

`beta = (1+alpha)/(alpha)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-2)|49 Videos
  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-3)|27 Videos
  • SEMICONDUCTORS

    ALLEN|Exercise Part-3(Exercise-4)|51 Videos
  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN|Exercise EXERCISE-IV|8 Videos
  • WAVES AND OSCILLATIONS

    ALLEN|Exercise Part-1(Exercise-05)[B]|42 Videos
ALLEN-SEMICONDUCTORS-Part-3(Exercise-1)
  1. Common emitter circuit is used as amplifier, its current gain is 50. I...

    Text Solution

    |

  2. In which case is the junction diode is not reverse bias-

    Text Solution

    |

  3. For transistor relation in current amplification factors is-

    Text Solution

    |

  4. If a full wave rectifier circuit is operating from 50 Hz mains, the fu...

    Text Solution

    |

  5. The ratio fo resistance for forward to reverse bias of P-N junction di...

    Text Solution

    |

  6. If the forward voltage in a diode is increased, the width of the deple...

    Text Solution

    |

  7. In a N-P-N transistor circuit, the collector current is 10 mA.If 90 % ...

    Text Solution

    |

  8. A n-p-n transistor conducts when

    Text Solution

    |

  9. For pure ''Ge'' semiconductor quantity of ''e'' and hole is 10^(19) e...

    Text Solution

    |

  10. When a p-n junction diode is reverse biased, then

    Text Solution

    |

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

    Text Solution

    |

  12. A Ge specimen is doped with Al. The concentration of electron - hole p...

    Text Solution

    |

  13. Assuming that the junction diode is ideal the current through the diod...

    Text Solution

    |

  14. When two semiconductor of p and n type are brought in to contact, they...

    Text Solution

    |

  15. In a forward biased PN- junction diode, the potential barrier in the d...

    Text Solution

    |

  16. For a common base configuration of PNP transistor (l(C))/(l(E))=0.98, ...

    Text Solution

    |

  17. For a transistor IC/IE=0.96, then current gain for common emitter conf...

    Text Solution

    |

  18. A transistor has an alpha = 0.95 It has change in emitter current of 1...

    Text Solution

    |

  19. For a transistor I(e) = 25 mA and I(b) = 1mA. The value of current gai...

    Text Solution

    |

  20. In Boolean algebra A + B = Y implies that :

    Text Solution

    |