And you thought this was all boring :- ) When electric current flows through a wire that is wound around a nail for example, the magnetic field around the wire joins and reinforces each other.
(a wire; is wound; around a nail) (the magnetic field around the wire; reinforces; each other) (you; thought; this was all boring) Context(you thought,List([4, 15))):(this; was; all boring) Context(you thought,List([4, 15))):(the magnetic field around the wire; joins; T:When electric current flows through a wire)
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a wire the magnetic field around the wire you this the magnetic field around the wire
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around a nail
each other
this was all boring
all boring
T:When electric current flows through a wire