Electric Field due to continuous Charge Distribution #8211; To find electric field due to continuously charges bodies like, rod, ring, sphere etc., are consider a small element of the body. Find the field due to this elementary part and integrate this field to find the field due to the whole body. i.e. E = ∫dE = ∫dQ/4πε<sub>0/gt;subgt; r<sup>2</sup>