alleryField lines of a bar magnet differ from an electric dipole's because they:
AStart on the poles
BStop at infinity
CCross one another
DClose on themselves
Answer & Solution
Correct answer: D. Close on themselves
1. Electric lines run from positive charge to negative charge.
2. Magnetic lines have no charge to begin or end on.
3. They close on themselves instead.
4. So the answer is close on themselves.
_Source: syllabus Physics, Ch 5 'Magnetism and Matter'_
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