Question

what are magnetic field line and also the write the properties of magnetic field line​

Answer 1

Explanation:

the area surrounded by magnet in which magnetic force can exert are called magnetic field line

properties are

1 magnetic field line go from North Pole to South Pole outside the magnet

2. magnetic field lines go south Pole to north pole inside the magnet

3. no magnetic field lines cut each other

4.magnetic field lines come closet to reach other near pole

Answer 2

Refer the attachment

Hope it helps..