Home
Class 12
PHYSICS
A transistor have a beta a equal to 80 h...

A transistor have a `beta` a equal to 80 has a change in base current of `250mu` ampere, then the change in collector current is

A

`170 muA`

B

`330 muA`

C

`3.125 muA`

D

20 mA

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • NTA NEET SET 48

    NTA MOCK TESTS|Exercise PHYSICS|44 Videos
  • NTA NEET SET 50

    NTA MOCK TESTS|Exercise PHYSICS|45 Videos

Similar Questions

Explore conceptually related problems

A transistor has an alpha = 0.95 It has change in emitter current of 100 mili-ampere, then the change in collector current is :-

A transistor has beta = 40 . A change in base current of 100muA , produces change in collector current

In a transistor when base-emitter voltage is changed from 0.6 V to 0.8 V , the change in base current is 500 muA to the change in collector current is 10 mA to 40 mA , when the collector-emitter voltage is kept constant at 2 V . Find input impendance forward current ratio:

In a common base transistor circuit, the current gain is 0.98. On changing the emitter current by 5.00 mA, the change in collector current is

Transistor in C.E mode can be used as amplifier A small change in base current produces a relatively large change in collector current.

In a common emitter transistor, the current gain is 80 . What is the change in collector current, when the change in base current is 250 muA ?

In a p-n-p transistor operating as amplifier with common emitter configurations a change in base current from 100 muA to 200 muA produces to change in collector current grain of transistor

A transistor is operated in common emitter configuration at V_C=2 V . Such that a change in the base current from 100 muA to 200 muA produces a change in the collector current of 5mA to 10 mA. The current gain is

In transistor, a change of 8.0 mA in the emitter current produces a change of 7.8 mA in the collector current. What change in the base current is necessary to produce the same change in the collector current ?

NTA MOCK TESTS-NTA NEET SET 49-PHYSICS
  1. A planet revolves in elliptical orbit around the sun. (see figure). Th...

    Text Solution

    |

  2. Two identical simple pendulums A and B are fixed at same point. They a...

    Text Solution

    |

  3. The equation of S.H.M. of a particle is a+4pi^(2)x=0, where a is insta...

    Text Solution

    |

  4. A wooden object floats in water kept in as beaker. The object is near ...

    Text Solution

    |

  5. In the bottom of a vessel with mercury of density rho there is a round...

    Text Solution

    |

  6. The moment of inertia of a solid sphere of radius R about its diameter...

    Text Solution

    |

  7. A man weighing 80 kg is standing on a trolley weighting 320 kg. The tr...

    Text Solution

    |

  8. In Rutherford experiment alpha – particles are scattered by nucleus ha...

    Text Solution

    |

  9. The shortest wavelength of the Brackett series of a hydrogen-like ato...

    Text Solution

    |

  10. Half-lives of two radioactive substances A and B are respectively 20 m...

    Text Solution

    |

  11. Light of wavelength 400nm is incident continuously on a Cesium ball. (...

    Text Solution

    |

  12. When a metallic surface is illuminated with monochromatic light of wav...

    Text Solution

    |

  13. bar(A.bar(B)+bar(A).B) is equivalent to

    Text Solution

    |

  14. The combination of gates shown below produces

    Text Solution

    |

  15. To use a transistor as an amplifier

    Text Solution

    |

  16. A transistor have a beta a equal to 80 has a change in base current of...

    Text Solution

    |

  17. The angle of minimum deviation produced by an equilateral prism is 46^...

    Text Solution

    |

  18. A thin prism has different medium on its either side. A light ray is i...

    Text Solution

    |

  19. In a Fraunhofer diffraction experiment at a single slit using a light ...

    Text Solution

    |

  20. When interference of light takes place

    Text Solution

    |