Q. Magnetic lines of force
A) Always intersect
B) Are always closed
C) Tend to crowd far away from the poles of magnet
D) Do not pass through vacuum
Explanation
The correct answer is Option B: Are always closed.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.