$A$ bar magnet having pole strength $q_m$ and magnetic moment $m$ is divided into two equal parts along its length. The new pole strength is . . . . . . and the magnetic moment is . . . . . . respectively.
- A$q_m, \frac{m}{2}$
- B$\frac{q_m}{2}, m$
- C$\frac{q_m}{2}, \frac{m}{2}$
- D$q_m, m$
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