Question

the following question, carries 5 Marks
(a)Explain any three properties of magnetic field lines.​

Answer 1

1) A magnetic field lines is an imaginary curve along which a free unit north pole tends to move. 3) The tangent to the magnetic field lines at any point gives the direction of magnetic field at that point. 4) Two magnetic field lines never intersect each other. 5) It is vector quantity.

Answer 2

Answer:

field lines cannot cross

field lines are continuous loops

field strength is directly proportional to the line density