Question

Answer the following questions:

i) What is the direction of magnetic field lines outside a bar-magnet?

ii) The magnetic field lines in a given region are getting crowded. What does it indicate?

iii) What happens if a current carrying conductor is placed in the magnetic field?​

Answer 1

Explanation:

It's a convention that magnetic field lines are drawn from north to south. Because we have defined the magnetic field lines to show the direction of the magnetic force on a north pole. Hence, they are defined as north to south