A magnetising field of 2xx10^(3)Am^(-1) ...

A magnetising field of `2xx10^(3)Am^(-1)` produces a magnetic flux density of `8piT` in an iron rod. The relative permeability of the rod will be

A

`10 ^(2)`

B

`10^(0)`

C

`10^(1)`

D

`10^(4)`

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The correct Answer is:

D

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