Home
Class 12
PHYSICS
When electric field is applied inside a...

When electric field is applied inside a conductor then free electron are accelerated. Their average velocity in time interval t is proportional to

A

`t^(1)`

B

`t^(2)`

C

`sqrt(t)`

D

`t^(0 )`

Text Solution

Verified by Experts

The correct Answer is:
4
Promotional Banner

Topper's Solved these Questions

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-B(OBJECTIVE TYPE QUESTION ))|31 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-C(OBJECTIVE TYPE QUESTION ))|3 Videos

  • CURRENT ELECTRICITY

    AAKASH INSTITUTE|Exercise Try Yourself|32 Videos

  • COMMUNICATION SYSTEMS

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION D (Assertion-Reason)|10 Videos

  • DUAL NATURE OF RADIATION AND MATTER

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D)|10 Videos

Similar Questions

Explore conceptually related problems

The electric field inside a conductor

When electric field (vec(E)) is applied on the ends of a conductor, the free electrons starts moving in direction

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

A particle move with a velocity v=alpha t^(3) along a straight line.The average velocity in time interval t=0 to t=T is

Electric field inside a conductor can be zero only, if potential inside the onductor is

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 …….

When a potential difference is applied across a conductor, the free electrons in the conductor are set into motion. Two velocities are associated with the moving electron-the drift velocity and average velocity. The fact is that the two are :

An electron and proton are placed inside a uniform electric field.

When electric field inside a conductor is E, mobility of free electrons inside the conductor is mu . When the electric field is doubled mobility will be

AAKASH INSTITUTE-CURRENT ELECTRICITY-ASSIGNMENT(SECTION-A(OBJECTIVE TYPE QUESTIONS))
  1. Conductivity of a conductor of length L and radius of cross-section r ...

    Text Solution

    |

  2. Resistance of the conductor of length 5m and area of cross -section 4...

    Text Solution

    |

  3. When electric field is applied inside a conductor then free electron ...

    Text Solution

    |

  4. If n,e,A and v(d) are free electron density inside conductor , charge...

    Text Solution

    |

  5. If n ,e,m and tau are free electron density in conductor , charge of ...

    Text Solution

    |

  6. A current of 10 A is maintained in a conductor of cross-section 1 cm^(...

    Text Solution

    |

  7. Two wires A an dB of the same material, having radii in the ratio I : ...

    Text Solution

    |

  8. If mu is the mobility of free electrons inside a conductor , then m...

    Text Solution

    |

  9. A potential difference of 5V is applied across a conductor of length ...

    Text Solution

    |

  10. The SI unit of electron mobility is :

    Text Solution

    |

  11. When electric field inside a conductor is E, mobility of free electron...

    Text Solution

    |

  12. What is the range of resistivity of metallic conductors?

    Text Solution

    |

  13. Wire bond resistances used in resistance boxes are made up of

    Text Solution

    |

  14. A good moderator should

    Text Solution

    |

  15. In a carbon resistor the last band colour is missing. Its tolerance is

    Text Solution

    |

  16. Temperature coefficient of resistance of a wire at 0^(@)C is 0.00125^(...

    Text Solution

    |

  17. In a platinum resistance thermometer resitance of the platinum wire at...

    Text Solution

    |

  18. Coefficient of linear expansion of material of resistor is alph. Its t...

    Text Solution

    |

  19. Which of the following has negative temperature coefficient of resista...

    Text Solution

    |

  20. Two bulbs B(1) and B(2) are used in a household circuit. B(1) glows br...

    Text Solution

    |