Why do iron filings arrange themselves in a particular pattern?

Class 10th Science, Question -Why do iron filings arrange themselves in a particular pattern?

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Question: Why do iron filings arrange themselves in a particular pattern?

The correct answer is :

When iron filings are placed in a magnetic field around a bar magnet, they behave like tiny magnets. The magnetic force experienced by these tiny magnets make them rotate and align themselves along the direction of field lines.