Why is the electric field perpendicular to the surface of a conductor. None of the given choices are correct. Any excess charge resides entirely on the surface or surfaces of a conductor. There are 2 steps to solve this one. See full list on physicsclassroom. The electric field lines from a single charge extend radially outward or inward. Electric field lines are perpendicular to conducting surfaces because conductors redistribute their charges to cancel the field within themselves. If it was not. In equilibrium, the charges must be at rest, and that can only be the case when there is no electric force along the surface, i. Just outside a conductor, the electric field lines are perpendicular to its surface, ending or beginning on charges on the surface. . In more detail, when an external electric field is applied to a conductor, the free electrons within the conductor start to move. com Flux is always perpendicular to the surface. Why are Electric Field Lines Perpendicular to Conductor Surfaces? Sep 2, 2021 · Electric fields on a charged conductor's surface are always perpendicular to the surface due to the net effect of all charges, which ensures that the electric field inside the conductor remains zero. e. Excess charge in a conductor always moves to the surface of the conductor. , when it's perpendicular to it. ldys rvijn gwrvb gpst grr ckt vaaz dbhni bpuav xxzhx