An iron bar of length $L$ has magnetic moment $M$. It is bent at the middle of its length such that the two arms make an angle $60^{\circ}$ with each other. The magnetic moment of this new magnet is :

Question

Aicharya · Accepted Answer

$\begin{aligned} & \Delta I=2 \frac{I}{2} \sin 30^{\circ} \ & =\frac{1}{2} \ & M^{\prime}=m / / 2 \ & =M / 2\end{aligned}$

An iron bar of length $L$ has magnetic moment $M$. It is bent at the middle of its length such that the two…

Solution