E=σ2ϵ0E=\dfrac{\sigma }{2\epsilon _0}E=2ϵ0σ
E=σϵ0E=\dfrac{\sigma }{\epsilon _0}E=ϵ0σ
E=2σϵ0E=\dfrac{2\sigma }{\epsilon _0}E=ϵ02σ
E=3σ2ϵ0E=\dfrac{3\sigma }{2\epsilon _0}E=2ϵ03σ