Home
Class 12
PHYSICS
An insulating rod of length I carries a ...

An insulating rod of length I carries a charge q distrubuted uniformly on it. The rod is pivoted at its mid-point and is rotated at a frequency f about a fixed axis perpendicular to the the rod and passing through the pivot . The magnetic moment of the rod system is

A

zero

B

`piqfl^(2)`

C

`1/2piqfl^(2)`

D

`1/3piqfl^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-IB|71 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-II|79 Videos

  • MOVING CHARGES AND MAGNETISM

    AAKASH SERIES|Exercise EXERCISE-III|49 Videos

  • MOTION IN A STRAIGHT LINE

    AAKASH SERIES|Exercise very Short answer type question|15 Videos

  • NUCLEAR PHYSICS

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE PRACTICE SHEET (ADVANCED) Integer Type Questions|3 Videos

Similar Questions

Explore conceptually related problems

A uniform rod of mass M and length L carrying a charge q uniformly distributed over its length is rotated with constant velocity w about its mid point perpendicular to the rod. Its magnetic moment is

An insulting thin rod of length l has a linear charge density rho(x)=rho_(0)(x)/(l) on it. The rod is rotated about an axis passing through the origin (x=0) and perpendicular to the rod. If the rod makes n rotations per second, then the time averaged magnetic moment of the rod is :

The moment of inertia of a straight thin rod of mass M and length l about an axis perpendicular to its length and passing through its one end, is

Calculate the moment of inertia of a rod of mass 2 kg and length 5 m about an axis perpendicular to it and passing through one of its ends.

Calculate the moment of inertia of a rod of mass M, and length l about an axis perpendicular to it passing through one of its ends.

Two particles , each of mass m and charge q , are attached to the two ends of a light rigid rod of length 2 R . The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is

Two particles , each of mass m and charge q , are attached to the two ends of a light rigid rod of length 2 R . The rod is rotated at constant angular speed about a perpendicular axis passing through its centre. The ratio of the magnitudes of the magnetic moment of the system and its angular momentum about the centre of the rod is

A non-conducting rod AB of length l has total charge Q . The rod is rotated about an axis passing through a point (l/3) distance from one end and perpendicular to plane of rod with constant angular speed omega, the magnetic moment of rod is

A light rod of length l has two masses m_1 and m_2 attached to its two ends. The moment of inertia of the system about an axis perpendicular to the rod and passing through the centre of mass is.

Two uniform solid of masses m_(1) and m_(2) and radii r_(1) and r_(2) respectively, are connected at the ends of a uniform rod of length l and mass m . Find the moment of inertia of the system about an axis perpendicular to the rod and passing through a point at a distance of a from the centre of mass of the rod as shown in figure.

AAKASH SERIES-MOVING CHARGES AND MAGNETISM-EXERCISE-IA
  1. The correct curve between the magnetic induction (B) along the axis of...

    Text Solution

    |

  2. Which of the following particle will have minimum frequency of revolut...

    Text Solution

    |

  3. An insulating rod of length I carries a charge q distrubuted uniformly...

    Text Solution

    |

  4. Two similar coaxial coils, separated by some distance, carry the same ...

    Text Solution

    |

  5. A magnetic dipole with magnetic moment M is placed at right angles to ...

    Text Solution

    |

  6. Arrange the following in asending order of magnetic induction at a poi...

    Text Solution

    |

  7. The magnetic field in a straight current carrying conductor wire is:

    Text Solution

    |

  8. Statement (A) : Ampere's law states that the line integral of vecB.vec...

    Text Solution

    |

  9. Which of the following graphs represent variation of magnetic field B ...

    Text Solution

    |

  10. A current flows in a conductor from east to west. The direction of the...

    Text Solution

    |

  11. The strength of magnetic field around an infinitely long current carry...

    Text Solution

    |

  12. A vertical straight conductor carries a current vertically upwards. A ...

    Text Solution

    |

  13. A current I flows along an inflinitely long straight thin walled tube....

    Text Solution

    |

  14. The magnetic field due to a straight conductor of uniform cross sectio...

    Text Solution

    |

  15. A current I(1) carrying wire AB is placed near another long wire CD ca...

    Text Solution

    |

  16. Magnetic field at a distance a from long current carrying wire is prop...

    Text Solution

    |

  17. Two equal electroic currents are flowing perpendicular to each other a...

    Text Solution

    |

  18. A very long straight wire carries a current I. At the instant when a c...

    Text Solution

    |

  19. A closed loop PQRS carrying a current is placedin auniform magnetic fi...

    Text Solution

    |

  20. A current carrying closed loop in the form of a right angled isoscels ...

    Text Solution

    |