3 Needles N N and N3 are made of ferromagnetic a

Last updated: 6/12/2023

3 Needles N N and N3 are made of ferromagnetic a paramagnetic and a diamagnetic substance respectively A magnet when brought close to them will a attract all three of them b attract N and N strongly but repel 3 c attract N strongly N weakly and repel N3 weakly d attract N strongly but repel N and N3 weakly