If a magnet of pole strength m is divided into four parts such that length and width of each

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5.Magnetism and Matter

easy

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

$4m$

Solution

(b)For each part $m' = \frac{m}{2}$

Standard 12

Physics

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