Home
Class 12
PHYSICS
If the current gain alpha of a transisto...

If the current gain `alpha` of a transistor is `0.98`, what is the value of `beta` of the trnasistor ?

A

`0.49`

B

49

C

4.9

D

5

Text Solution

Verified by Experts

`beta=alpha/(1-alpha)=0.98/(1-0.98)=49`
Promotional Banner

Topper's Solved these Questions

  • SAMPLE PAPER-1 (SOLVED)

    FULL MARKS|Exercise Questions|28 Videos

  • SAMPLE PAPER-07 (SOLVED )

    FULL MARKS|Exercise (PART - IV)(Answer all the questions.)|10 Videos

  • SAMPLE PAPER-16 (UNSOLVED)

    FULL MARKS|Exercise PART-IV|10 Videos

Similar Questions

Explore conceptually related problems

The AC current gain of a transistor is 120. What is change in the collector current in the transistor whose base current changes by 100 muA .

The correct relation for alpha,beta for a transistor is

What the different gains in a transistor ?

Assertion : Higher the value of alpha better is the transistor. Reason : The alpha a transistor is a measure of the quality of a transistor.

The Ac current gain of a transistor is 100. If the base current changes by 100muA . What is the charge in collector current.

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

The current amplification of common base N-P-N transistor is 0.96. What will be the current gain if it is used as common emitter amplifier ?

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

FULL MARKS-SAMPLE PAPER-1 (SOLVED)-Questions
  1. If the current gain alpha of a transistor is 0.98, what is the value o...

    Text Solution

    |

  2. What is meant by Fraunhofer lines?

    Text Solution

    |

  3. Why steel is preferred in making Robot?

    Text Solution

    |

  4. State Lenz's law.

    Text Solution

    |

  5. Why do clouds appear white?

    Text Solution

    |

  6. Calculate the radius of(79)^(197) Au.

    Text Solution

    |

  7. Explain the need for a feedback circuit in a transistor oscillator.

    Text Solution

    |

  8. Show graphically the variation of electric field E (y-axis) due to a c...

    Text Solution

    |

  9. Write the applications of internet.

    Text Solution

    |

  10. Calculate the magnetic field inside a solenoid when the number of turn...

    Text Solution

    |

  11. Two cells each of 5V are connected in series across a 8 Omega resisto...

    Text Solution

    |

  12. Write a note on transformer.

    Text Solution

    |

  13. Discuss the alpha decay process with example.

    Text Solution

    |

  14. Obtain the expression for the energy stored in a parallel plate capaci...

    Text Solution

    |

  15. Explain any three recent advancements in medical technology.

    Text Solution

    |

  16. Two light sources with amplitudes 5 units and 3 units respectively int...

    Text Solution

    |

  17. An electron moves in a circular orbit with a uniform speed v. It produ...

    Text Solution

    |

  18. Give the construction and working of photo emissive cell.

    Text Solution

    |

  19. In the circuit shown in the figure, the input voltage Vi = +5 V, V(BE)...

    Text Solution

    |

  20. Obtain the expression for electric field due to an uniformly charge sp...

    Text Solution

    |

  21. Write any five properties of electromagnetic waves.

    Text Solution

    |