Two short magnetic dipoles $m_{1}$ and $m_{2}$ each having magnetic moment of $1 \mathrm{~A} \mathrm

Question

Two short magnetic dipoles $m_{1}$ and $m_{2}$ each having magnetic moment of $1 \mathrm{~A} \mathrm{~m}^{2}$ are placed at point $O$ and $P$ respectively. The distance between $O P$ is 1 meter. The torque experienced by the magnetic dipole $m_{2}$ due to the presence of $m_{1}$ is _______ $	imes 10^{-7} \mathrm{~N} \mathrm{~m}$.\

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(1)\