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The percentage increase in magnetic fiel...

The percentage increase in magnetic field B when the space within a current carrying toroid is filled with aluminum `(chi=2.1xx10^(-5))` is

A

`5 xx10^(-3)`

B

`2.1 xx 10^(-3)`

C

`3.1 xx 10^(-3)`

D

`2.1 xx 10^(-5)`

Text Solution

Verified by Experts

The correct Answer is:
A
Magnetization =`(M_(net))/(V)`
`=(1)/(10xx10^(-6))=1xx10^(5)A/m`
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