Multiple choice

When a bar magnet immersed in a heap of iron filings is taken out, it is observed that the iron filings stick to the surface of the bar magnet. The iron filings would be observed to

  1. stick uniformly throughout the surface of the bar magnet

  2. stick randomly on the surface of the bar magnet

  3. have the maximum concentration at the two ends of the bar magnet

  4. have the maximum concentration slightly away from the two ends of the bar magnet

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

When a bar magnet immersed in a heap of iron filings is taken out, it is observed that iron filings stick to the surface of the bar magnet. The iron filings would be observed to have the maximum concentration at the two ends of the bar magnet.

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