Q. Three needles N1 N2 and N3 are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet, when brought close to them, will
  • (A) attract N1 strongly, but repel N2 and N3 weakly.
  • (B) attract N1 and N2 strongly but repel N3
  • (C) attract N1 strongly, N2 weakly and repel N3 weakly.
  • (D) attract all three of them.
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✅ Correct Answer: (C) attract N1 strongly, N2 weakly and repel N3 weakly.

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