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?
- At end X
- At mid-point Y
- At end Z
- Same at all points
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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