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

• A. $m / 4$
• B. $m / 2$
• C. $m / 8$
• D. $4 m$

Answer 1

Answer: (B)

$m / 2$

Answer 2

For each part $m ^ { \prime } = \frac { m } { 2 }$