Question

What is a magnetic field? Mention the properties of the magnetic lines of force.

Answer 1

1. The magnetic field is the region around a magnet where its influence can be felt and any magnetic substance that lies within this region experiences a force.
2. Properties of the magnetic lines of force are,

2.1. Magnetic lines of force always form closed continuous curves.

2.2. The direction of the lines of force is from the north pole to the south pole outside the magnet and from the south pole to the north pole inside the magnet.

2.3. No two magnetic lines of force intersect each other.