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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

25

B

`10^(5)/(3 pi)`

C

`10^(5)/pi`

D

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

Text Solution

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The correct Answer is:
D
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