Home
Class 11
PHYSICS
For a common base configuration of PNP t...

For a common base configuration of `PNP` transistor `(l_(C))/(l_(E))=0.98`, then maximum current gain in common emitter configuration will be

A

49

B

98

C

4.9

D

`24.5`

Text Solution

Verified by Experts

The correct Answer is:
A

`beta=(alpha)/(1-alpha)=(0.98)/(1-0.98)=49`
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)|50 Videos
  • PHYSICAL WORLD, UNITS AND DIMENSIONS & ERRORS IN MEASUREMENT

    ALLEN |Exercise EXERCISE-IV|7 Videos
  • WAVES AND OSCILLATIONS

    ALLEN |Exercise Part-1(Exercise-05)[B]|42 Videos

Similar Questions

Explore conceptually related problems

For a transistor (I_(C))/(I_(E))=0.96 , then current gain for common emitter configuration

In the following common emitter configuration an NPN transistor with current gain beta=100 is used. The output voltage of the amlifier will be

Transistor with beta = 75 is connected to common-base configuration. What will be the maxima collector current for an emitter current of 5 mA ?

Consider an n-p-n transistor amplifer in common-emitter configuration. The current gain of the transistor is 100 . If the collector current changes by 1mA , what will be the change in emitter current?

In a common base mode of a transition , the collector current is 5.488 mA for an emitter currect of 5.60 mA . The value of the base current amplification factor (beta) will be

Statement-I : To be used as amplifier, the transistor in the common emitter configuration is preferred over the common base configuration. Statement-II : In the common emitter, the signal is applied between emitter and base.

The current gain of a common base transistor circuit is 0.96. On changing the emitter current by 10.0 mA, the change in the base current will be .....

For common emitter configuration, if alpha and beta have their usual meanings, the incorrect relationship between alpha and beta is :

For a transistor ampliflier in common emiter configuration for load imperdance of 1 k Omega (h_(fe) = 50 and h_(oe) = 25) the current gain is

In a common base transistor circuit, Ic is the Output current and IE is the input current. The current gain alpha_(dc) is ........

ALLEN -SEMICONDUCTORS-Part-3(Exercise-1)
  1. When two semiconductor of p and n type are brought in to contact, they...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  4. For a transistor (I(C))/(I(E))=0.96, then current gain for common emit...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

  8. Which of the following gate corresponds to the truth table given below...

    Text Solution

    |

  9. In the Boolean algebra bar(A).bar(B) equals is :-

    Text Solution

    |

  10. Given below are symbols for some logic gates :- The XOR gate and ...

    Text Solution

    |

  11. The symbol represents :-

    Text Solution

    |

  12. The truth table shown below is for which of the following gate :- {:...

    Text Solution

    |

  13. Which of the following gates will have an output of 1 :-

    Text Solution

    |

  14. Following diagram performs the logic function of-

    Text Solution

    |

  15. How many minimum NAND gate are required to obtain NOR gate :-

    Text Solution

    |

  16. The logic behind 'NOR' gate is that it gives

    Text Solution

    |

  17. Logic gates are the building blocks of a :-

    Text Solution

    |

  18. Given truth table is related with :- {:(A,B,Y),(1,1,0),(0,1,1),(1,0,...

    Text Solution

    |

  19. The truth table given above is for which of the following gates :- {...

    Text Solution

    |

  20. Which logic gate is represented by the following logic gates?

    Text Solution

    |