Question

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)`

 

Answer 1

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