Home
Class 12
PHYSICS
If the rate of doping in the emitter bas...

If the rate of doping in the emitter base and colletor of a transistor be `D_(e), D_(b) "and" D_(c)` respectively then

A

`D_(e) = D_(b)=D_(c)`

B

`D_(e) lt D_(b) =D_(c)`

C

`D_(e) gt D_(b) gt D_(c)`

D

`D_(e) gt D_(c) gt D_(b)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise EXERCISE (Semiconductor diode )|1 Videos

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise EXERCISE (Osillator )|1 Videos

  • SEMICONDUCTORS AND ELECTRONICS

    CHHAYA PUBLICATION|Exercise NCERT EXEMPLAR QUESTIONS WITH ANSWER HINT (Multiple Options Correct )|1 Videos

  • REFRACTION OF LIGHT

    CHHAYA PUBLICATION|Exercise CBSE SCANNER|11 Videos

Similar Questions

Explore conceptually related problems

Why is the base of a transistor lightly doped ?

In the active region of a transistor the biasisng at the emitter-base junction and collector - base junction are respectively

In which region will a transistor act if both emitter -base and collector-base junctions are reverse biased?

The position vectors of the vertices A ,Ba n dC of a triangle are three unit vectors vec a , vec b ,a n d vec c , respectively. A vector vec d is such that vec d ⋅ vec a = vec d ⋅ vec b = vec d ⋅ vec c a n d vec d=lambda( vec b+ vec c)dot Then triangle A B C is a. acute angled b. obtuse angled c. right angled d. none of these

In which region will a transistor act if both emitter -base and collector-base junctions are forward biased?

If vec a , vec b , vec c , vec d are the position vector of point A , B , C and D , respectively referred to the same origin O such that no three of these point are collinear and vec a + vec c = vec b + vec d , than prove that quadrilateral A B C D is a parallelogram.

What is the relation among emitter current (I_(E)) collector current (I_(C)) and base current (I_(B)) for a transistor ?

If the emitter and base of a transistor have same doping concentration, how wiII the base current and the coIIector current be affected?

In the pelvic girdle of man A,B,C,D and E respectively represent

If a,b,c,d,e are in A.P., then the value of (a+b+5c-5d+e) in terms of a is-

CHHAYA PUBLICATION-SEMICONDUCTORS AND ELECTRONICS -EXERCISE (Multiple Choice Questions )
  1. Two pieces of copper and germanium are cooled from room temperature to...

    Text Solution

    |

  2. For in intrinsic semiconductor the energy gap of forbidden zone is app...

    Text Solution

    |

  3. In a semiconducting material the mobilities of electrons and holes a...

    Text Solution

    |

  4. In some substance charge can flow at ordinary temperature but not at v...

    Text Solution

    |

  5. If a small amount of antimony is added to germanium crystal

    Text Solution

    |

  6. Pure Si at 500 K has equal number of electron (n(e)) and hole (n(h)) c...

    Text Solution

    |

  7. If a p-n junction diode is not connected in a circuit then

    Text Solution

    |

  8. In the circuit shown in Fig 1.54 the forward bias resistances of both ...

    Text Solution

    |

  9. When a p-n diode is reverse biased then

    Text Solution

    |

  10. The current through the given circuit of Fig .1.56.

    Text Solution

    |

  11. The impurity atoms that should be added to germenium to make it n-type...

    Text Solution

    |

  12. The circuit has two oppositely connected ideal diodes in parallel. Wha...

    Text Solution

    |

  13. When a p-n junction is reverse biased then

    Text Solution

    |

  14. A Zener diode having breakdown voltage equal to 15V,is used in a volta...

    Text Solution

    |

  15. If the rate of doping in the emitter base and colletor of a transistor...

    Text Solution

    |

  16. In the active region of a transistor the biasisng at the emitter-base ...

    Text Solution

    |

  17. A transistor is used as

    Text Solution

    |

  18. In an n-p-n transistor circuit collector current is 10 mA. If 90% of e...

    Text Solution

    |

  19. For a transistor if (DeltaI(C))/(DeltaI(E))=0.96 then the current gain...

    Text Solution

    |

  20. A transistor is operated in common-emitter configuration at V(C)=2 V ...

    Text Solution

    |