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A wire of magnetic material of length '2L' and magnetic moment 'M' is bent at the
centre to form 'L' shaped wire. Its magnetic moment is
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centre to form 'L' shaped wire. Its magnetic moment is
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Verified Answer
The correct answer is:
$\frac{\text { M }}{\sqrt{2}}$
Each half of the needle will possess a dipole moment $\frac{\vec{M}}{2}$.
Now, the $L$ shape is equivalent to two dipole arranged perpendicular to each other . So, effective dipole moment is given by
Now, the $L$ shape is equivalent to two dipole arranged perpendicular to each other . So, effective dipole moment is given by
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