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प्रश्न
The electric field intensity outside the charged conducting sphere of radius ‘R’, placed in a medium of permittivity ∈ at a distance ‘r’ from the centre of the sphere in terms of surface charge density σ is
विकल्प
`σ/∈ (R/r)^2`
`σ/∈ (r/R)^2`
`σ/∈ (R^2/r^2)^2`
`σ/∈ (r^2/R^2)^2`
उत्तर
`σ/∈ (R/r)^2`
By using Gauss theorem we know that
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