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The magnetic moment produced in a substa...

The magnetic moment produced in a substance of `1 gm is 6xx10^(-7) "ampere","metre"^(2)`. If its density is `5 gm//cm^(3)`, then the intensity of magnetisation in `A//m` will be

A

`8.3 xx10^(6)`

B

`3.0`

C

`1.2xx10^(-7)`

D

`13xx10^(-6)`

Text Solution

Verified by Experts

The correct Answer is:
B
`I=(M)/(V)`
`=(M)/((m)/(rho))=(Mrho)/(m)=3.0`
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