A short bar magnet of magnetic moment 20...

A short bar magnet of magnetic moment `20Am^(2)` has a cross sectional area of `1.5xx10^(-4)m^(2)`. If the intensity of magnetisation of the magnet is `10^(5)A//m`. The length of magnet is

0.33m

0.13cm

1.33m

1.33cm

Text Solution

Verified by Experts

The correct Answer is:

`I=M/V=m/A`

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