Two similar bar magnets $P$ and $Q$, each of magnetic moment $M$, are taken, If $P$ is cut along it axial line and $Q$ is cut along its equatorial line, all the four pieces obtained have

Question

Dr. Abubacker · Accepted Answer

(c) If pole strength, magnetic moment and length of each part are $m'$, $M'$ and $L'$ respectively then
$m^{'} = \frac{m}{2}\ \ \ \ \ \ \ \ m^{'} = m$
$L^{'} = L\ \ \ \ \ \ \ \ \ \ \ \ \ L^{'} = \frac{L}{2}$
$\Rightarrow M^{'} = \frac{M}{2}\ \ \ \  \Rightarrow M^{'} = \frac{M}{2}$

Q. Two similar bar magnets $P$ and $Q$, each of magnetic moment $M$, are taken, If $P$ is cut along it axial line and $Q$ is cut along its equatorial line, all the four pieces obtained have

Explanation

Reviewed by Dr. Abubacker

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