Oersted, Hans Christian found (1820) that a wire carrying an electrical Current deflects the needle of a magnetic compass because a magnetic field is created by the moving electric charges constituting the current.
(Hans Christian; found; that a wire carrying an electrical Current deflects the needle of a magnetic compass because a magnetic field is created by the moving electric charges) Context(Hans Christian found,List([9, 29))):(a wire carrying an electrical Current; deflects; the needle of a magnetic compass; because a magnetic field is created by the moving electric charges) Context(Hans Christian found a wire carrying an electrical Current deflects,List([9, 88))):(a wire; carrying; an electrical Current) (the moving electric charges; constituting; the current) (a magnetic field; is created; by the moving electric charges)
Hans Christian found,List([9, 29)) Hans Christian found a wire carrying an electrical Current deflects,List([9, 88))
Hans Christian a wire carrying an electrical Current a wire the moving electric charges a magnetic field
found deflects carrying constituting is created
that a wire carrying an electrical Current deflects the needle of a magnetic compass because a magnetic field is created by the moving electric charges
the needle of a magnetic compass because a magnetic field is created by the moving electric charges
an electrical Current
the current
by the moving electric charges