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Physics

A bar magnet is used to pick up an iron nail. At which parts of the nail it is easiest for the magnet to pick it up?

  1. At end X
  2. At mid-point Y
  3. At end Z
  4. Same at all points
A bar magnet is used to pick up an iron nail. At which parts of the nail it is easiest for the magnet to pick it up? Physics Sample Paper Solved ICSE Class 10.

Electro-Magnetism

Answer

At end Z

Reason — End Z is the broadest and has more area of material. More the area of material more is the number of magnetic field lines around it. Hence, end Z has maximum strength of magnetization and will be easily picked up.

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