Find the odd one out based on magnetic behavior when exposed to a magnet:

Find the odd one out based on magnetic behavior when exposed to a magnet:
  1. Cobalt strip
  2. Nickel coin
  3. Pure iron rod
  4. Aluminum foil

Solution

Cobalt, nickel, and iron are ferromagnetic materials strongly attracted by magnets, whereas aluminum is non-magnetic under ordinary conditions.

Asked in: Homi Bhabha Practice

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