Home
Class 11
PHYSICS
Moment of inertia of a circular wire of ...

Moment of inertia of a circular wire of mass `M` and radius `R` about its diameter is :

A

`(MR^(2))/(2)`

B

`MR^(2)`

C

`2MR^(2)`

D

`(MR^(2))/(4)`

Text Solution

Verified by Experts

The correct Answer is:
A

We know that `M.I` of a circular wire of mass `M` and radius `R` about its diameter is `(MR^(2))/(2)`.
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

Moment of inertia of a uniform circular ring of mass M and radius R about a diameter of ring is………………. .

(a) Find the moment of inertia of a sphere about a tangent to the sphere, given the moment of inertia of the sphere about any of its diameters to be 2 MR^(2)//5, where M is the mass of the sphere and R is the radius of the sphere. (b) Given the moment of inertia of a disc of mass M and radius R about any of its diameters to be (1)/(4)MR^(2) , find the moment of inertia about an axis normal to the disc passing through a point on its edge.

Knowledge Check

  • The moment of inertia of a thin circular disc of mass M and radius R about any diameter is

    A
    `(MR^(2))/(4)`
    B
    `(MR^(2))/(2)`
    C
    `MR^(2)`
    D
    `2MR^(2)`
  • The moment of inertia of a thin circular disc of mass M and radius R about any diameter is

    A
    `(MR^(2))/(4)`
    B
    `(MR^(2))/(2)`
    C
    `MR^(2)`
    D
    `2MR^(2)`
  • The moment of inertia of a solid sphere of mass M and radius R about its diameter is I. The moment of inertia of the same sphere about a tangent parallel to the diameter is

    A
    5 I
    B
    7 I
    C
    2.5 I
    D
    3.5 I
  • Similar Questions

    Explore conceptually related problems

    The moment of inertia of a uniform semicircularwire of mass M and radius r about a line perpendicular to the plane of the wire through the centre is :

    The moment of inertia of thin spherical shell of mass M and radius R about a diameter is (2)/(3) MR. Its radius of gyration K about a tangent will be

    The moment of inertia of a uniform circular disc of mass M and radius R about any of its diameters is 1/4 MR^(2) . What is the moment of inertia of the disc about an axis passing through its centre and normal to the disc?

    The moment of inertia of a solid sphere of density p and radius R about its diameter is

    Moment of inertia of a disc of mass 'M' and radius 'R' about the diameter is