Given, An infinite non conducting sheet having surface charge density, σ=7×10−7C∕m2, Potential difference, V=19.8V We know that, for a charge non-conducting surface electric field is given by E=
σ
2ε0
....(i) and V=El ∴E=V∕l......(ii) Using Eq. (ii) in Eq. (i)
