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Question

Which of the following is not attracted by the bar magnet


A

soft iron

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B

steel

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C

aluminium

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D

cobalt

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Solution

The correct option is C

aluminium


Explanation for the correct option:

  1. All the materials soft iron, steel, and cobalt are strongly attracted to the magnet as they are magnetic materials (ferromagnetic).
  2. Aluminium is not attracted to a magnet as it is a ferromagnetic material.

Hence the correct option is an option (C).


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