Question

when a barmagnet is cut into 'n' equal parts normal to it's axis
the pole strength of
each part & length of each part is & magnetic moment is
1) m, 2l/n, M/n
2)M/n , L', o
3) m/n , L , 2l/n
4) none of these

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Answer 1

Answer:

1 is correct answer

Explanation:

no change in pole strength