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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 Wb-m^(-2) and 150 Am^(-1)` respectively. The relative permeability of iron is `(mu_(0)=4pixx10^(-7)Hm^(-1))`

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
`B=muH=mu_(o)mu_(r)H`
`mu=(1)/(4pixx10^(-7)xx150)=(10^(5))/(6pi)`
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