Which one of the following is <strong>NOT</strong> a ferromagnetic material?
- A. Cobalt ✓
- B. Iron
- C. Silver
- D. Ferric chloride
Correct Answer: A. Cobalt
Explanation
Silver is diamagnetic, while Iron and Cobalt are classic ferromagnetic materials. Ferric chloride is generally paramagnetic. Since both Silver and Ferric Chloride are not ferromagnetic, the question has multiple correct options. Note: This question was dropped by UPSC.
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