HSC Science (Electronics) 12th Board ExamMaharashtra State Board
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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 - HSC Science (Electronics) 12th Board Exam - Physics

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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)`

 

Solution

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

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