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A domain in a ferromagnetic substance is...

A domain in a ferromagnetic substance is in the form of a cube of side length `1mum` . If it contains `8 xx10^(10)` atoms and each atomic dipole has a dipole moment of `9xx10^(-24) Am^2` , then the magnetization of the domain is

A

A) `7.2xx10^(5) Am^(-1)`

B

B)`7.2xx10^(3) Am^(-1)`

C

C) `7.2xx10^(9) Am^(-1)`

D

D) `7.2xx10^(12) Am^(-1)`

Text Solution

Verified by Experts

The correct Answer is:
A
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