Which of the following statements about the magnetic field of a single bar magnet is correct? (Figure question converted to text.)
University of Ilorin PHY102 2024 past question
- Outside the magnet, field lines leave the north pole and enter the south pole, forming closed loops
- Outside the magnet, field lines leave the south pole and enter the north pole
- Field lines start at the north pole and end at the south pole without forming closed loops
- Field lines are straight and parallel to the magnet everywhere
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