Home
Class 12
PHYSICS
The current amplificationn factor for a ...

The current amplificationn factor for a transistor in its common emitter mode is 50. the current amplication factor in the common base mode of the transistor is

A

0.99

B

0.98

C

1.02

D

10

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MOCK TEST 1

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MCQs|48 Videos
  • MOCK TEST 3

    MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS|Exercise MCQs|41 Videos

Similar Questions

Explore conceptually related problems

Define current amplification factor in a common emitter mode of transistor.

If a transistor is used in common -emitter mode as an amplifier,then

The current amplification factor alpha of a common base transistor and the current amplification factor beta of a common emitter transistor are not related by

The current gain of a transistor in a common emitter circuit is 40.The ratio of emitter current to base current is

What is the current gain for a transistor used as a common emitter amplifier, if the current gain of the same transistor used in common base mode is 0.95 ?

A transistor is used in the common emitter mode as an amplifier . Then

For a transistor, in a common emitter arragement, the alternating current gain beta is given by

The current gain alpha of a transistor in common base mode is 0.995 . Its gain .. in the common emitter mode is

The current amplification of the common base NPN transistor is 0.96 . What is the current gain if it is used as common emitter amplifier?

MHTCET PREVIOUS YEAR PAPERS AND PRACTICE PAPERS-MOCK TEST 2-MCQs
  1. Diameter of a plano-convex lens is 6cm and thickness at the centre is ...

    Text Solution

    |

  2. Two bars A and B of circular cross section, same volume and made of th...

    Text Solution

    |

  3. The surface of soap solution is 25xx10^-3Nm^-1. The excess pressure in...

    Text Solution

    |

  4. A sinusoidal wave travelling in the same direction have amplitudes of ...

    Text Solution

    |

  5. If a string fixed at both ends vibrates in four loops. The wavelength ...

    Text Solution

    |

  6. For a wave y = 0.02 sin [2pi (110 t -(x)/(3))+(pi)/(3)] is travellin...

    Text Solution

    |

  7. A beaker contains water up to a height h(1) and kerosene of height h(2...

    Text Solution

    |

  8. The Young's double slit experiment is carried out with light of wavele...

    Text Solution

    |

  9. At a point on the right bisector of a magnetic dipole the magnetic pot...

    Text Solution

    |

  10. The angular width of the central maximum of the diffraction patternn i...

    Text Solution

    |

  11. In fog, photographs of the objects taken with infrared radiations are ...

    Text Solution

    |

  12. Find the electric field in region II as in figure shown.

    Text Solution

    |

  13. A wire of 50 cm long, 1mm^(2) in cross-section carries a current of 4 ...

    Text Solution

    |

  14. A gamma-ray photon is passing near a nucleus and breaks into an electr...

    Text Solution

    |

  15. The frequency f of vibrations of a mass m suspended from a spring of s...

    Text Solution

    |

  16. The magnetic flux phi (in weber ) in a closed circuit of resistance 10...

    Text Solution

    |

  17. The enegy of photon corresponding to a radiatio of wavelength 600 nm i...

    Text Solution

    |

  18. Calculate the angular momentum of the electron in third orbit of hydro...

    Text Solution

    |

  19. The half-life of a radioactive substance is 10 days. The time taken fo...

    Text Solution

    |

  20. The current amplificationn factor for a transistor in its common emitt...

    Text Solution

    |