Question

1. Are the magnetic field lines closed? Explain.​

Answer 1

Answer:

Yes, magnetic field lines are closed curves as they extend from a body of a magnet from north pole to south pole outside the body of the magnet and from south pole to north pole inside the body of the magnet . Yes, magnetic field lines are closed as there pass through the magnet or magnetic substance

Explanation:

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Answer 2

Answer:

yup!!!! They are closed!!!!

if u can see a bar magnet then will able to find out that

From outward of a bar magnet,lines direction is from North to south but under the magnet, direction of field lines is from south to north & they are closed loops bounding from one pole to another!!!....