Q. If the magnetic is cut into four equal parts such that their lengths and breadths are equal. Pole strength of each part is
A) $m$
B) m/2
C) m/4
D) m/8
Explanation
(b) [image:5_image41.emf]
For each part $m^{''} = \frac{m}{2}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.