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A long magnet is cut in two parts in suc...

A long magnet is cut in two parts in such a way that the ratio of their lengths is 2:1. The retio of pole strengths of both the section is

A

` 2 : 1`

B

` 1 : 2 `

C

` 4 : 1`

D

` 1 : 1 `

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The correct Answer is:
d
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