Home
Class 12
PHYSICS
When in electric field is applied to a m...

When in electric field is applied to a metallic conductor at room temperature the thermal speed of electrons is……….and drift velocity of electrons is …….

Text Solution

Verified by Experts

The correct Answer is:
`10^(3)m//s, 10^(-4)m//s`
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    PRADEEP|Exercise Jee (main and advance)|4 Videos
  • CURRENT ELECTRICITY

    PRADEEP|Exercise Interger Type|2 Videos
  • CURRENT ELECTRICITY

    PRADEEP|Exercise Value based|2 Videos
  • COMMUNICATION SYSTEMS

    PRADEEP|Exercise MODEL TEST PAPER-2|9 Videos
  • DUAL NATURE OF RADIATION AND MATTER

    PRADEEP|Exercise Exercise|191 Videos

Similar Questions

Explore conceptually related problems

When a potential difference (V) is applied across a conductor, the thermal speed of electrons is

A conductor is at T kelvin. Find the thermal speed of free electrons of the conductor .

When a potential difference (V) is applied across a conductor at temperature T, the drift velocity of electrons is proportional to

Prove that the current density of a metallic conductor is directly proportional to the drift speed of electrons.

The mobility of electrons is defined as the drift velocity acquird by electrons when a unit electric field is applied. Let a potential diffrence of 120 V be applied across a straight conductor of length 1m. What will be the drift speed of electrons if the mobility of electrons is given to be 6xx10^(-6)m^2V^(-1)s^(-1) ?

Only when an electric field is set up in a conductor, the electrons in it start moving.

PRADEEP-CURRENT ELECTRICITY-Exercise
  1. The Total resistance when connected in series in 9 Omega and when conn...

    Text Solution

    |

  2. An total resistance R is connected to a cell of internal resistance r ...

    Text Solution

    |

  3. When in electric field is applied to a metallic conductor at room temp...

    Text Solution

    |

  4. Current is a…….quantity and in SI unit is……..

    Text Solution

    |

  5. In a closed loop when current has not been reached the stedy start , t...

    Text Solution

    |

  6. The direction of current density is ……. To the direction of friff velo...

    Text Solution

    |

  7. Consider positive and negative charge (all of equal magnitude) moving ...

    Text Solution

    |

  8. The mean time internal of two consecutive collisiion of the electron ...

    Text Solution

    |

  9. As the temperature of a metal conductors increase the frequency of col...

    Text Solution

    |

  10. Resistivity is the property of the ……. and it depends opon the ….. of...

    Text Solution

    |

  11. In the circuit all the measuring instruments are ideal the reading of ...

    Text Solution

    |

  12. The medium between the plate of battery offers some resistance to the ...

    Text Solution

    |

  13. If three cell are connected in parallel then equivalent emf……. and equ...

    Text Solution

    |

  14. Kirchhoff's second law is based on law of conservation of

    Text Solution

    |

  15. The value of current I, in the will be

    Text Solution

    |

  16. Use kirchhoff's rules to determine the value of current I(1) flowing i...

    Text Solution

    |

  17. In a Wheatstone bridge resistance connected the bridge is balanced , w...

    Text Solution

    |

  18. In the given figure, when galvanometer shows no deflection, the curren...

    Text Solution

    |

  19. In a meter bridge experiment the ratio of left gap resistance to right...

    Text Solution

    |

  20. Metal wire is connected in the left gap, semi conductor is connected i...

    Text Solution

    |