Home
Class 12
PHYSICS
A change of 0.5 mA in the emitter curren...

A change of 0.5 mA in the emitter current of a transistor produces a change of 0.49 mA in collector current Calculate
(1) Common base short circuit current gaina `alpha`.
(ii) common emitter short circuit current gain `beta`.

Text Solution

AI Generated Solution

To solve the problem, we need to calculate the common base short circuit current gain (α) and the common emitter short circuit current gain (β) using the given changes in emitter current (ΔIE) and collector current (ΔIC). ### Step-by-Step Solution: 1. **Identify the Given Values:** - Change in emitter current (ΔIE) = 0.5 mA - Change in collector current (ΔIC) = 0.49 mA ...
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR DEVICES

    AAKASH SERIES|Exercise Problems (LEVEL-II)|9 Videos
  • SEMICONDUCTOR DEVICES

    AAKASH SERIES|Exercise EXAMPLES|56 Videos
  • SEMICONDUCTOR DEVICES

    AAKASH SERIES|Exercise Exercise (very Short answer questions)|36 Videos
  • RAY OPTICS

    AAKASH SERIES|Exercise PROBLEMS ( LEVEL-II)|60 Videos
  • UNITS AND MEASUREMENT

    AAKASH SERIES|Exercise PRACTICE EXERCISE|45 Videos

Similar Questions

Explore conceptually related problems

A charge of 8.0 mA in the emitter current brings a charge of 7.9 mA in the collector current. The values of alpha and beta are

A charge of 8.0 mA in the emitter current brings a charge of 7.9 mA in the collector current. The values of alpha and beta are

When the emitter current of a transistor is changed by 1 mA, its collector current changes by 0.990 mA. In the common base circuit, current gain for the transistor is

If a change of 100 mu A in the base current of an n-p-n transistor in CE causes a change of 10 mA in the collector current, the ac current gain of the transistor is

When the base current in a transistor is changed from 30 mu A to 80 mu A ,the collector current is changed form 1.0 mA to 3.5 mA. Find the current gain beta .

In a silicon transistor, a change of 7.89 mA in the emitter current produce a change of 7.8 mA in the collector current. What change in the base current is necessary to produce an equivalent change in the collector current?

In a silicon transistor, a change of 7.89 mA in the emitter current produce a change of 7.6 mA in the collector current. What change in the base current is necessary to produce an equivalent change in the collector current?

A change of 8.0 mA in the emitter current brings a change of 7.9mA in the collector current. How much change in the base current is required to have the same change 7.9 mA in the collector current? Find the values of alpha and beta .

In a common -emitter transistor amplifier, an increase of 50muA in the base current causes an increase of 1.0mA in the collector current . Calculat gain beta . What will be the change in emitter current? Also calculate current gain alpha

A change of 8.0mA in the emitter current brings a change of 7.9mA in the collector current. How much change in the base current is required to have the same change 7.9mA in the collector current?Find the values of (alpha) and (beta) .

AAKASH SERIES-SEMICONDUCTOR DEVICES-Problems (LEVEL-I)
  1. For the circuit shown in Fig. find 1) the output voltage 2) the vo...

    Text Solution

    |

  2. The applied input AC power to a half wave rectifier is 190W. The DC ou...

    Text Solution

    |

  3. A p-n diode is used in a half wave rectifier with a load resistance of...

    Text Solution

    |

  4. A full wave rectifier uses two diodes with a load resistance of 100 O...

    Text Solution

    |

  5. A full-wave rectifier is used to convert 50 Hz A.C into D.C, then the ...

    Text Solution

    |

  6. In an N-P-N transistor operating in the active region, the collector c...

    Text Solution

    |

  7. In a common base configuration, with a base current of 0.005 mA, the e...

    Text Solution

    |

  8. For a transistor 'alpha' = 0.98 and emitter current I(E) = 2.5 mA. Cal...

    Text Solution

    |

  9. In common base configuration of a transistor, a change of 200 mV in em...

    Text Solution

    |

  10. In a transistor the emitter current is 1.01 times as large as the coll...

    Text Solution

    |

  11. In a transistor circuit the base current changes from 30 muA to 90muA....

    Text Solution

    |

  12. The constant a of a transistor is 0.9. What would be the change in col...

    Text Solution

    |

  13. For a transistor, the current gain of common-base configuration is 0.8...

    Text Solution

    |

  14. The current gain of a transistor in common emitter circuit is 49. Calc...

    Text Solution

    |

  15. A change of 0.5 mA in the emitter current of a transistor produces a c...

    Text Solution

    |

  16. A change of 200mV in base-emitter voltage causes a change of 100μA in ...

    Text Solution

    |

  17. For a single transistor amplifier, the collector load is R(L) =22kOmeg...

    Text Solution

    |

  18. AP-N-P transistor is used in common-emitter mode in an amplifier circu...

    Text Solution

    |

  19. The input resistance of a common-emitter amplifier is 600 Omega and lo...

    Text Solution

    |

  20. If voltage gain in CE configuration is 24. If R(e)=10 k, R(c) = 10. B ...

    Text Solution

    |