A bar magnet labeled N at the left end and S at the right end is snapped cleanly at its midpoint. Which set of poles will be present at the two newly created faces?
a) Each new face becomes a north pole only
b) Each new face is non-magnetic and shows no pole
c) One new face becomes a north pole and the other becomes a south pole, leaving the original end poles unchanged
d) Each new face simultaneously behaves as both a north and a south pole