# A Thin Wire of Length L and Uniform Linear Mass Density R is Bent into a Circular Coil. M. I. of the Coil About Tangential Axis in Its Plane is - Physics

A thin wire of length L and uniform linear mass density r is bent into a circular coil. M. I. of the coil about tangential axis in its plane is ................................

1. (3rhoL^2)/(8pi^2)
2. (8pi^2)/(3rhoL^2)
3. (3rhoL^3)/(8pi^2)
4. (8pi^2)/(3rhoL^3)

#### Solution

(3rhoL^3)/(8pi^2)

Concept: Physical Significance of M.I (Moment of Inertia)
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