Question
Sat January 19, 2013 By: Sai
 

If a magnet is cut along its length in the ratio 1:2 , what will b the ratios of the the magnetic moments?

Expert Reply
Tue January 22, 2013
if m is taken as strenght of the magnetic poles in a bar magnet,
then its magnetic moment is given as M= m/L
where L is the distance between the poles.
Thus if it is cut along the lenght in the ratio of 1:2
then the magnetic moment is now in the ratio of 2:1
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