Physics for IGCSE & O level - Magnets And Currents (Section 8 - No. 40)
Which statement best describes the magnetic field lines around a bar magnet?
They are parallel to each other.
They curve away from the poles of the magnet.
They form closed loops, originating from the North pole and going to the South pole.
They are evenly spaced around the magnet.
설명
They are closed loops.