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The magnetic moment of a magnet (15cmxx2...

The magnetic moment of a magnet `(15cmxx2cmxx1cm) is 1.2A-m^(2)`. Calculate its intensity of magnetisation

A

`4xx10^(4)Am^(-1)`

B

`2xx10^(4)Am^(-1)`

C

`10^(4)Am^(-1)`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
a

(a) Intensity of magnetisation
`I_(m)-(M)/(V) -(1.2)/((15xx2xx1)10^(-6))=4xx10^(4) Am^(-1)`
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