'''Electrodynamics''', also referred to as ''classical electrodynamics,'' is the study of the interactions between electrically charged objects and electric fields. On scales where quantum effects are negligible or can be ignored, electrodynamics provides a very good approximation of electrical and magnetic phenomena. On finer scales, [[quantum electrodynamics]] is a better approximation. | '''Electrodynamics''', also referred to as ''classical electrodynamics,'' is the study of the interactions between electrically charged objects and electric fields. On scales where quantum effects are negligible or can be ignored, electrodynamics provides a very good approximation of electrical and magnetic phenomena. On finer scales, [[quantum electrodynamics]] is a better approximation. |