alleryMagnetic field lines of a magnet or a solenoid form what kind of loops?
AContinuous coiled
BContinuous closed
CContinuous curved
DContinuous crossed
Answer & Solution
Correct answer: B. Continuous closed
1. Electric field lines start and stop on charges.
2. Magnetic field lines have nowhere to start or stop.
3. The magnetic field lines of a magnet or a solenoid form continuous closed loops.
4. So the answer is continuous closed loops.
_Source: syllabus Physics Part I, Ch 5 'Magnetism and Matter'_
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