Magnetism Question 159
Question: If a magnet of pole strength m is divided into four parts such that the length and width of each part is half that of initial one, then the pole strength of each part will be
Options:
A) $ m/4 $
B) $ m/2 $
C) $ m/8 $
D) $ 4m $
Show Answer
Answer:
Correct Answer: B
Solution:
For each part $ {m}’=\frac{m}{2} $