Two identical bar magnets are fixed with their centres at a distance $d$ apart. $A$ stationary charge $Q$ is placed at $P$ in between the gap of the two magnets at a distance $D$ from the center $O$ as shown in the figure.
- ADirected along $OP$
- BZero
- CDirected along $PO$
- DDirected perpendicular to the plane of paper
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