At t 0, charge density v0 was introduced into the interior of a material with a relative permittivity r 9 If at t 1 s the charge density has dissipated down to 103v0, what is the conductivity of the material

Question: At t = 0, charge density v0 was introduced into the interior of a material with a relative permittivity r = 9. If at t

At t = 0, charge density v0 was introduced into the interior of a material with a relative permittivity r = 9. If at t =1 μs the charge density has dissipated down to 103v0, what is the conductivity of the material?

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