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Magnetic susceptibility of a material of...

Magnetic susceptibility of a material of a rod is 499. Find absolute permeability of the material of the rod.

A

`pi xx 10^(-4) ( Tm )/( A)`

B

`4pi xx 10^(-4) (Tm )/( A)`

C

`3pi xx 10^(-4) (Tm )/( A)`

D

`2pi xx 10^(-4) (Tm )/( A)`

Text Solution

Verified by Experts

The correct Answer is:
D
`mu_(r) = chi_(m) +1`
`therefore (mu)/( mu_0) = chi_(m) +1 " "(because mu_(r) = (mu)/( mu_0) )`
`therefore mu= mu_(0) (chi_(m) +1) = 4pi xx 10^(-7) (499 +1)`
`therefore mu= 2pi xx 10^(-4) ( Tm )/( A)`
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