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The intensity of magnetization of a bar ...

The intensity of magnetization of a bar magnet is `5.0 xx 10^4 A m^(-1)`. The magnetic length and the area of cross section of the magnet are `12 cm` and `1 cm^2` respectively. The magnitude of magnetic moment of this bar magnet is (in Si unit)

A

`0.6`

B

`1.3`

C

`1.24`

D

`2.4`

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