Question

What is the nature of magnetic field lines for a uniform magnetic field

Answer 1

Magnetic field lines can never cross, meaning that the field is unique at any point in space.

Answer 2

Here is your answer.
Magnetic field lines can never cross, meaning that the field is unique at any point in space. Magnetic field lines are continuous, forming closed loops without beginning or end. They go from the north pole to the south pole.
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