Question

a bar magnet of geometric length 18 cm has pole strength 100Am find magnetic vipole moment of bar magnet​

Answer 1

100÷18=5.5 this is ur ans

Answer 2

Given that,

Length of a bar magnet, l = 18 cm

Pole strength, m = 100 A-m

To find,

The magnetic dipole moment of the bar magnet

Solution,

The magnetic dipole moment of a bar magnet is given by :

$M=m\times 2l\\\\M=100\times 2\times 0.18\\\\M=36\ A-m^2$

So, the magnetic dipole moment of bar magnet​ is $36\ A-m^2$.

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Magnetic dipole moment

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