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If a magnet of pole strength m is divided into four parts such that the length

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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

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1 Answer

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Best answer

The correct option (b) (m/2)

Explanation:

Pole strength

∴   Pole strength for each part = m' = (m/2)

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