Home
Class 12
PHYSICS
If a small amount of antimony is added t...

If a small amount of antimony is added to germanium crystal

A

it becomes a p-type semiconductor

B

the antimony becomes an acceptor atom

C

there will be more free electrons than holes in the semiconductor

D

its resistance is increased

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

What will happen when a small amount of phosphorus is addded to pure crystal of silicon ?

Small amount of iodine is added to common salt so that

What happens when a small amount of Fe(OH)_(3) solution is added to a freshly prepared FeCl_(3) sol?

How are vacancies created in the crystal lattice of NaCl when a small amount of SrCl_(2) is introduced into NaCl crystal?

What type of semiconductor is produced if germanium crystal is doped with arsenic?

Name an ionic compound, a trace amount of which when added into the crystal structure of AgCl, results in cationic vacancies.

Consider the nitration of benzene using mixed conc. H_2SO_4 and HNO_3 . If a large amount of KHSO_4 is added to the mixture, the rate of nitration will be-

Consider the nitration of benzene using mixed conc. H_(2)SO_(4) and HNO_(3) . If a large amount of KHSO_(4) is added to the mixture, the rate of nitration will be -

The vapour pressure of a solvent is found to be 400 mm Hg at 300 K. When a certain amount of a nonvolatile solute is added to 50 mol of the solvent its vapour pressure decreases to 360 mm Hg. The amount of solute added is

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

    |