Question

Dielectric constant for pure water is 81 find absolute permittivity of water

Answer 1

Answer:

permittivity of a medium is given by

ε = κε₀ , where κ is the dielectric constant of that medium

κ of water = 81

ε_water = 81 x ε₀ = 81 x 8.85 x 10⁻¹² F/m

ε_water = 7.17 x 10⁻¹⁴ F/m