Needles $N_1, N_2$ and $N_3$ are made of a ferromagnetic,a paramagnetic and a diamagnetic substance respectively. $A$ magnet when brought close to them will
- AAttract $N_1$ strongly,$N_2$ weakly and repel $N_3$ weakly.
- BAttract $N_1$ strongly,but repel $N_2$ and $N_3$ weakly.
- CAttract all three of them.
- DAttract $N_1$ and $N_2$ strongly.
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