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An iron rod of 0*2cm^2 cross-sectional a...

An iron rod of `0*2cm^2` cross-sectional area is subjected to a magnetising field of `1200Am^-1`. The suscaptibility of iron is `599`. Find the permeability and the magnetic flux produced.

A

`0.904Wb`

B

`1.81xx10^(-5)Wb`

C

`0.904xx10^(-5)Wb`

D

`5.43xx10^(-5)Wb`

Text Solution

Verified by Experts

The correct Answer is:
B
(b) As, `mu-mu_(0)(1+x) or 4pixx10^(-1)(1+599)`
`B=muH=7.536xx10^(-4)xx1200T`
`thereforeHence, " " f=BA=7.536xx10^(-4)xx1200xx0.2xx10^(-4)Wb`
`=1.81xx10^(-5)Wb`
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