It is the changing magnetic field around the transformer's primary coil of wire that produces the electric field that actually propels current through the transformer's secondary coil of wire.
(It; is; the changing magnetic field around the transformer's primary coil of wire that produces the electric field) (the changing magnetic field around the transformer's primary coil of wire; produces; the electric field that actually propels current through the transformer's secondary coil of wire) (the electric field; actually propels; current)
It the changing magnetic field around the transformer's primary coil of wire the electric field
is produces actually propels
the changing magnetic field around the transformer's primary coil of wire that produces the electric field
the electric field that actually propels current through the transformer's secondary coil of wire
current