Question

Match List I with List II.List I
(Material)| List II
(Subsceptibility(χ))
---|---
A.| Diamagnetic| I.| χ = 0
B.| Ferromagnetic| II.| 0 > χ ≥ –1
C.| Paramagnetic| III.| χ >> 1
D.| Non-magnetic| IV.| 0 < χ < ε (a small positive number)
Choose the correct answer from the options given below:

• A. A-II, B-III, C-IV, D-
• B. A-II, B-I, C-III, D-IV
• C. A-III, B-II, C-I, D-IV
• D. A-IV, B-III, C-II, D-I

Answer 1

Answer: (A)

A-II, B-III, C-IV, D-

Answer 2

Magnetic materials are characterised by their susceptibility:
- Diamagnetic: $\chi = 0$.
- Ferromagnetic: $\chi >> 1$.
- Paramagnetic: $0 < \chi << 1$.
- Non-magnetic: $0 < \chi < \epsilon$.