Home
Class 12
PHYSICS
The current gain for a transistor workin...

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

A

0.4 mA

B

0.2 mA

C

0.29 mA

D

0.35 mA

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS

    RESONANCE ENGLISH|Exercise Exercise 2|16 Videos

  • SEMICONDUCTORS

    RESONANCE ENGLISH|Exercise Exercise 3|88 Videos

  • SEMICONDUCTORS

    RESONANCE ENGLISH|Exercise Exercise 3|88 Videos

  • REVISION DPP

    RESONANCE ENGLISH|Exercise All Questions|463 Videos

  • SIMPLE HARMONIC MOTION

    RESONANCE ENGLISH|Exercise Advanced Level Problems|13 Videos
RESONANCE ENGLISH-SEMICONDUCTORS-Exercise
  1. For transistor relation in current amplification factors is-

    Text Solution

    |

  2. For a transistor the value of alpha is 0.9. beta value is

    Text Solution

    |

  3. The current gain for a transistor working as common base amplifier is ...

    Text Solution

    |

  4. In an n-p-n transistor 10^10 electron enter the emitter in 10^(-6) s. ...

    Text Solution

    |

  5. In the following common emitter configuration an npn transistor with c...

    Text Solution

    |

  6. An n - p- n transistor is connected in common - emitter configurarati...

    Text Solution

    |

  7. In an NPN transistor the values of base current and collector current ...

    Text Solution

    |

  8. In a common emitter circuit, if V(CE) is changed by 0.2 V, then collec...

    Text Solution

    |

  9. Which of the following statement is not true?

    Text Solution

    |

  10. The symbolic representation of four logic gates are given below. The l...

    Text Solution

    |

  11. The output of OR gate is 1 :-

    Text Solution

    |

  12. Following diagram performs the logic function of-

    Text Solution

    |

  13. The following truth table corresponds to the logic gate

    Text Solution

    |

  14. NAND gate is-

    Text Solution

    |

  15. The given truth table relates y to A and B. {:(A,B,Y),(0,0,1),(0,1,0...

    Text Solution

    |

  16. In the given circuit as shown the two input waveform A and B are appli...

    Text Solution

    |

  17. For the logic circuit shown the boolean relation is-

    Text Solution

    |

  18. For the given combination of gates, if the logic states of inputs A,B,...

    Text Solution

    |

  19. The boolean equation of NOR gate is-

    Text Solution

    |

  20. According to de morgan's theorem-

    Text Solution

    |