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An insulating rod of length l and charge...

An insulating rod of length l and charge carries q distributed uniformly on it. The rod is pivoted at its one end and it rotated with angular velocity omega about a fix axis perpendicular to the rod and passing through the pivot. The magnetic moment of rhe system is

A

`(q omega l²)/3`

B

`(q omega l²)/6`

C

`(q omega l²)/12`

D

`(q omega l²)/24`

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  • 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
    `1/12 piqfl^2`
    B
    ` piqfl^2`
    C
    `1/6 piqfl^2`
    D
    `1/3 piqfl^2`

  • 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

    A
    `q omega L^(2) //6`
    B
    `q omega L^(2) //12`
    C
    `q omega L^(2)//24`
    D
    `qomegaL^(2)//48`

  • Moment of inertia of a thin rod of mass 'M' and length 'L' about the axis perpendicular to the rod and passing through its centre is ............

    A
    `ML^(2/4)`
    B
    `ML^(2/6)`
    C
    `ML^(2/(12))`
    D
    `ML^(2/2)`

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