Question

When iron filings are spread on a piece of paper and a bar magnet is kept below the paper, the filings ___.

• A. arrange themselves in a random fashion
• B. accumulate near the centre of the magnet
• C. arrange themselves around the magnet in a particular pattern
• D. gets pushed away from the paper

Answer 1

The correct option is C

arrange themselves around the magnet in a particular pattern

When iron filings are spread on a piece of paper, they arrange themselves in a particular pattern. The pattern is in accordance with the magnetic field lines around the bar magnet, as shown in the figure below: