MCQ
There are four light-weight-rod samples $A, B, C, D$ separately suspended by threads. A bar magnet is slowly brought near each sample and the following observations are noted
$(i)$ $A$ is feebly repelled
$(ii)$ $B$ is feebly attracted
$(iii)$ $C$ is strongly attracted
$(iv)$ $D$ remains unaffected
Which one of the following is true?
- ✓$B$ is of a paramagnetic material
- B$C$ is of a diamagnetic material
- C$D$ is of a ferromagnetic material
- D$A $ is of a non-magnetic material
