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An iron rod of cross-section area 4cm^(2...

An iron rod of cross-section area `4cm^(2)` is placed with its length along a magnetic field of intensity 1200 S `m^(-1)`. The flux through the rod is `40xx10^(-4)Wb`. The permeability of the rod is

A

`8.3xx10^(-3)WbA^(-1)m^(-1)`

B

`8.3xx10^(-4)WbA^(-1)m^(-1)`

C

`8.3xx10^(-5)WbA^(-1)m^(-1)`

D

`8.3xx10^(-6)WbA^(-1)m^(-1)`

Text Solution

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The correct Answer is:
A
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