Home
Class 12
PHYSICS
There is no hole current in good conduct...

There is no hole current in good conductors, because

A

they do not have valence band

B

they do not have conduction band

C

their valence and conduction bands overlap

D

their valence bands overlap only

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • ROTATIONAL MOTION

    NIKITA PUBLICATION|Exercise MULTIPLE CHOICE QUESTIONS|405 Videos

  • STATIONARY WAVES

    NIKITA PUBLICATION|Exercise MCQs|396 Videos

Similar Questions

Explore conceptually related problems

There is no hole current in conductors because they have

We are able to obtain fairly large currents in a conductor because

Metals are good conductors of heat because .

If there is no hole current in a substance, if must be

I. The conductivity of molten NaCl is due to movement of Na^(+) and Cl^(-) ions II. Solide NaCl is also conductor of electricity. III. Molten sodium is a good conductor because of mobile electrons

Two circular conductors are perpendicular to each other as shown in figure. If the current is changed in conductor B, will a current be induced in the conductor A,

NIKITA PUBLICATION-SEMICONDUCTORS-MCQS
  1. Generally, the number of electrons in the valence shell of good conduc...

    Text Solution

    |

  2. In a crystal, the permitted energy states of electrons are present

    Text Solution

    |

  3. There is no hole current in good conductors, because

    Text Solution

    |

  4. The energy band gap is maximum in

    Text Solution

    |

  5. The forbidden energy gap in an intrinsic semiconductor is

    Text Solution

    |

  6. In a good conductor, the energy levels in a valence band

    Text Solution

    |

  7. Solids having highest energy level partially filled with electrons are

    Text Solution

    |

  8. At ordinary temperature, an increase in temperature, increases the con...

    Text Solution

    |

  9. The width of the forbidden band will be small in

    Text Solution

    |

  10. Electrons in the outermost shell of an atom are called

    Text Solution

    |

  11. In intrinsic semiconductor at room temperature, the number of electron...

    Text Solution

    |

  12. Fermi energy is the

    Text Solution

    |

  13. In which of the following band an electron cannot lie in a crystal ?

    Text Solution

    |

  14. In a pure conductor, the value of the forbidden energy gap is

    Text Solution

    |

  15. The forbidden energy gap in a semiconductor is of the order of

    Text Solution

    |

  16. If there is no hole current in a substance, if must be

    Text Solution

    |

  17. Which one of the following is an amorphous solid?

    Text Solution

    |

  18. In an insulator, the forbidden energy gap between the valence band and...

    Text Solution

    |

  19. What is the forbidden energy gap (in joule) for a Germanium crystal ?

    Text Solution

    |

  20. The band of maximum energy in which electrons are present is called th...

    Text Solution

    |