Question

Magnetic lines of force:

• A. Always intersect.
• B. Are closed curves.
• C. Tend to far away from the poles of a magnet.
• D. Do not pass through vacuum.

Answer 1

Answer: (B)

Are closed curves.

Magnetic lines of force are closed curves.

Inside the magnet field lines are directed towards the south pole to the North pole whereas outside the magnet field lines are from the North pole to the South pole.