Which one of the following statements concerning Ampere's law is false?
O Ampere's law can be used with any current geometry in which the current is constant in time.
O The component of the magnetic field perpendicular to a closed path constructed around the current is used in Ampere's law.
O In using Ampere's law, a closed path of arbitrary shape is constructed around the current.
O The permeability of free space is a constant in Ampere's law.