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Engineering

The relationship between the magnetic susceptibility ( $\chi$ ) and the magnetic permeability ( $\mu$ ) is given by : ( $\mu_0$ is the permeability of free space and $\mu_r$ is relative permeability)

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A metal wire of uniform mass density having length L and mass M is bent to form a semicircular arc and a particle of mass m is placed at the centre of the arc. The gravitational force on the particle by the wire is: [Diagram: Semicircular arc with mass m at center]

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Questions

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The relationship between the magnetic susceptibility (χ\chiχ) and the magnetic permeability (μ\muμ) is given by : (μ0\mu_0μ0​ is the permeability of free space and μr\mu_rμr​ is relative permeability)

Related questions

The relationship between the magnetic susceptibility ( $\chi$ ) and the magnetic permeability ( $\mu$ ) is given by : ( $\mu_0$ is the permeability of free space and $\mu_r$ is relative permeability)