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A uniform wire of length L is bent in th...

A uniform wire of length L is bent in the form of a circle.The shift in its centre of mass is

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Knowledge Check

  • A thick straight wire of length pi m is fixed at its midpoint and then bent in the form of a cricle. The shift in its centre of mass is

    A
    `pim`
    B
    `0.5 m`
    C
    `2m`
    D
    `(pi)/2 m`

  • A thin wire of length l and mass M is bent in the form of a semi-circle. What is its moment of inertia about an axis passing through the ends of the wire

    A
    `(Ml^(2))/(2)`
    B
    `(Ml^(2))/(pi^(2))`
    C
    `(2Ml^(2))/(pi^(2))`
    D
    `(Ml^(2))/(2pi^(2))`

  • A uniform wire of length l is bent into the shape of 'V' as shown. The distance of its centre of mass from the vertex A is :-

    A
    `l//2`
    B
    `(lsqrt3)/(4)`
    C
    `(lsqrt3)/(8)`
    D
    None of these

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    A uniform wire of resistance 18 Omega is bent in the form of a circle. The effective resistance across the points a and b is

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