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What are Magnetic field lines?
Magnetic fields are areas where an object exhibits a magnetic influence. The fields affect neighboring objects along things called magnetic field lines. A magnetic object can attract or push away another magnetic object.If you place an object in a magnetic field, it will be affected, and the effect will happen along field lines.Magnetic poles are the points where the magnetic field lines begin and end. Field lines converge or come together at the poles.

Magentic field lines of attraction.      Magentic field lines of repulsion.


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