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Two magnets have their lengths in the ra...

Two magnets have their lengths in the ration `2:3` and their pole strength in the ration `3:4`. The ratio of their magnetic moment is

A

`2:1`

B

`4:1`

C

`1:2`

D

`1:4`

Text Solution

Verified by Experts

The correct Answer is:
C
`(M_(1))/(M_(2))=(m_(1))/(m_(2))xx((2l)_(1))/((2l)_(2))`
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