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The magnetic induction and the intensity...

The magnetic induction and the intensity of magnetic field inside an iron core of an electromagnet are `1 Wbm^(-2)` and `150Am^(-1)` respectively. The relative permeability of iron is : `(mu_(0)=4pixx10^(-7)"henry"//m)`

A

`(10^(6))/(4pi)`

B

`(10^(6))/(6pi)`

C

`(10^(5))/(4pi)`

D

`(10^(5))/(6pi)`

Text Solution

Verified by Experts

The correct Answer is:
D
`mu_(r)=(B)/(mu_(0)H)`
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