Example.A potential distribution in space is given as U=Axy2-Byz,where A and B are constant.Find the electric field. Solution: Find the partial derivatives first aU Bx aU =2Axy-Bz By aU =-B 8z The electric field is therefore: F 24xHk Example. A potential distribution in space is given as U=Axy2 -Byz, where A and B are constant. Find the electric field. Solution: Find the partial derivatives first The electric field is therefore: