Home
Class 12
PHYSICS
The velocity with which a free electron ...

The velocity with which a free electron in a conductor gets drifted under the influence of the applied electric field is ,

A

average velocity

B

drift velocity

C

thermal velocity

D

all of these

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    NIKITA PUBLICATION|Exercise Multiple Choice Questions|314 Videos
  • COMMUNICATION SYSTEMS

    NIKITA PUBLICATION|Exercise Multiple Choice Questions (Examples for Practice)|8 Videos
  • ELASTICITY

    NIKITA PUBLICATION|Exercise MCQ|314 Videos
NIKITA PUBLICATION-CURRENT ELECTRICITY-Multiple Choice Questions
  1. The direction of conventional current flowing through a metal due to a...

    Text Solution

    |

  2. A charge of magnitude q flows through the conductor in time 't' . The ...

    Text Solution

    |

  3. The velocity with which a free electron in a conductor gets drifted un...

    Text Solution

    |

  4. The drift velocity of electron in a metal conductor under effective o...

    Text Solution

    |

  5. If A is the area of cross section of conductor, e be the charge on the...

    Text Solution

    |

  6. If A is the area of cross section of conductor, v(d) is the drift velo...

    Text Solution

    |

  7. Under the section of electric field, a material is said to be a conduc...

    Text Solution

    |

  8. In conductors, current conduction take place due to

    Text Solution

    |

  9. The direction of conventional current flowing through a metal due to a...

    Text Solution

    |

  10. A conductor of length of l and area of cross section A has n number of...

    Text Solution

    |

  11. A conductor of length l and area of cross-section A has n number of el...

    Text Solution

    |

  12. When a current I is set up in a wire of radius r, the drift velocity i...

    Text Solution

    |

  13. There is a current of 0.21 A in a copper wire of area of cross section...

    Text Solution

    |

  14. The speed at which current travels, in a conductor, is nearly

    Text Solution

    |

  15. An electron in the hydrogen atom circles around the proton with a spe...

    Text Solution

    |

  16. A potential difference is applied across the ends of a metallic wire. ...

    Text Solution

    |

  17. In your city electricity cost 40 paise per kWh. You pay for

    Text Solution

    |

  18. The electric intesity E, current density j and conductivity sigma are ...

    Text Solution

    |

  19. The drift velocity of electrons is given by

    Text Solution

    |

  20. The average time interval between two successive collisions of electro...

    Text Solution

    |