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 all three of them.
C attract N1 and N2 strongly but repel N3.
D attract N1 strongly, N2 weakly and repel N3 weakly.
Answer:A
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 all three of them. C attract N1 and N2 strongly but repel N3. D attract N1 strongly, N2 weakly and repel N3 weakly.