A permanent magnet in the shape of a thi...

A permanent magnet in the shape of a thin cylinder of length `10cm` has `M=10^6A//m`. Calculate the magnetisation current `I_M`. (Here M is the intensity of magnetisation).

A

`10^(5) A`

B

`10^(6) A`

C

`10^(7) A`

D

`10^(8) A`

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