Home
Class 12
PHYSICS
In a npn transistor 10^(10) electrons ...

In a npn transistor `10^(10)` electrons enter the emitter in `10^(–6)` s. 4% of the electrons are lost in the base.
The current transfer ratio will be

A

0.98

B

0.97

C

0.96

D

0.94

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTOR ELECTRONICS : METERIALS, DEVICES AND SIMPLE CIRCUITS

    DISHA PUBLICATION|Exercise EXERCISE -2: CONCEPT APPLICATOR|25 Videos
  • SEMICONDUCTOR ELECTRONICS : METERIALS, DEVICES AND SIMPLE CIRCUITS

    DISHA PUBLICATION|Exercise EXERCISE -2: CONCEPT APPLICATOR|25 Videos
  • RAY OPTICS AND OPTICAL INSTRUMENTS

    DISHA PUBLICATION|Exercise Exercise -2 : Concept Applicator|26 Videos
  • SYSTEM OF PARTICLES & ROTATIONAL MOTION

    DISHA PUBLICATION|Exercise EXERCISE-2 : CONCEPT APPLICATOR|28 Videos

Similar Questions

Explore conceptually related problems

In an n-p-n transistor 10^(10) electrons enter the emitter in 10^(-6) s, 3% of the electrons are lost in the base. The current transfer ratio is

In an n-p-n transistor 10^(10) electrons enter the emitter in 10^(-6) s. If 2% of the electrons are lost in the base, find the current transfer ratio and the current amplification factor.

In a n-p-n transistor 10^(10) electrons enter the emitter in 10^(-6)s . 2% of the elecrons are lost in the base. The current transfer ratio and the current amplification factor will be

In the common emitter configuration of n-p-n transistor 10^(10) electrons enter the emitter in 1 mus and 2% of the electrons are lost of the base. The current gain of the amplifier is

In a transistor 10^(8) electrons enter at the emitter in 10^(-4) s, out of which 2% electron go to the base. The current transfer ratio in common base configuration is

In an NPN transistor 10^(10) electrons enter the emitter in 10^(-6) s and 2 % electrons recombine with holes in base then current gain alpha and beta are

In NPN transistor, 10^(10) electrons enters in emitter region in 10^(-6) sc. If 2% electrons are lost in base region then collector current and current amplification factor (beta) respectively are

DISHA PUBLICATION-SEMICONDUCTOR ELECTRONICS : METERIALS, DEVICES AND SIMPLE CIRCUITS-EXERCISE -1: CONCEPT BUILDER (TOPICWISE)
  1. A transistor is connected in common emitter configuration. The collect...

    Text Solution

    |

  2. A pnp transistor is used in common-emitter mode in an amplifier circui...

    Text Solution

    |

  3. In a npn transistor 10^(10) electrons enter the emitter in 10^(–6) ...

    Text Solution

    |

  4. The current gain alpha of a transistor in common base mode is 0.995 . ...

    Text Solution

    |

  5. A working transitor with its three legs marked P, Q and R is tested us...

    Text Solution

    |

  6. A transistor has beta = 40. A change in base current of 100muA, produc...

    Text Solution

    |

  7. A transistor has a base current of 1 mA and emitter current 90 mA. The...

    Text Solution

    |

  8. In a common emitter transistor amplifier, beta=60, R(0)=5000Omega and ...

    Text Solution

    |

  9. The current gain in transistor in common base mode is 0.99. To change ...

    Text Solution

    |

  10. In a transistor, the change in base current from 100 muA to125 muA cau...

    Text Solution

    |

  11. The output of a NAND gate is 0

    Text Solution

    |

  12. What is the value of A.C + A.B.C where A, B and C are inputs?

    Text Solution

    |

  13. The output of an OR gate is connected to both the inputs of a NAND gat...

    Text Solution

    |

  14. When the two inoputs of a NAND gate are shorted, the resulting gats is

    Text Solution

    |

  15. Digital circuit can be made by repetitive use of

    Text Solution

    |

  16. NAND and NOR gates are called universal gates because they

    Text Solution

    |

  17. To get an output 1 from the circuit shown in the figure, the input mus...

    Text Solution

    |

  18. The correct option for getting X = 1 from the given circuit is:

    Text Solution

    |

  19. The following circut represents

    Text Solution

    |

  20. The diagram of a logic circuit is given below. The output F of the cir...

    Text Solution

    |