The electric field from the negative plate will have the same magnitude and direction, so that the total electric field, \(\vec E\), everywhere between the two parallel plates (as long as we are not n...The electric field from the negative plate will have the same magnitude and direction, so that the total electric field, \(\vec E\), everywhere between the two parallel plates (as long as we are not near the edges) is given by: \[\begin{aligned} \vec E=-\frac{\sigma}{\epsilon_0} \hat x\end{aligned}\] Note that the electric field outside the region between the two plates is zero everywhere, as the field from the positive and negative plates point in opposite directions outside the plates and thu…
