Home
Class 12
PHYSICS
The impurity atoms that should be added ...

The impurity atoms that should be added to germenium to make it n-type semiconductor is

A

iodine

B

indium

C

arsenic

D

aluminimum

Text Solution

Verified by Experts

The correct Answer is:
C
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

n-type semiconductors are ?

The impurity atom which when added to germanium makes its an n- type semiconductor is

The impurity atom when added to germanium makes it an n-type semiconductor is

What is a p-type semiconductor?

What are n-type and p-type semiconductors?

If we mix a trivalent impurity in the crystal lattice of germinium the type of semiconductor formed will be:

What do you mean by n type semiconductor?

What should be added to each of a,b,c,d to make the sums proportional?

What are the majority carriers in a p-type semiconductor?

What type of impurity is required to prepare an n-type semiconductor ?

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

    |