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प्रश्न
How will you test whether a given rod is made of iron or copper?
[Hint : Iron rod gets magnetised when placed near a bar magnet by magnetic induction, while copper rod does not get magnetised]
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उत्तर
Iron rod is magnetized when placed near a bar magnet by magnetic induction, while copper rod is not magnetized.
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संबंधित प्रश्न
You are given the magnetic field pattern of a magnet. How will you find out from it where the magnetic field is the strongest?
The magnetic field lines produced by a bar magnet:
(a) originate from the south pole and end at its north pole
(b) originate from the north pole and end at its east pole
(c) originate from the north pole and end at its south pole
(d) originate from the south pole and end at its west pole
What is a natural magnet? State two limitations of a natural magnet.
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
State four properties of magnetic field lines.
Explain the method of plotting the magnetic field lines by using a small compass needle.
Figure. shows a bar magnet placed on the table top with its north pole pointing towards south. The arrow shows the north-south direction. There are no other magnets or magnetic materials nearby.
Indicate by crosses, the likely positions of the neutral points.
Define the isoclinic line.
When the conductor is perpendicular to the magnetic field, the force will be the ______, When it is parallel to the magnetic field, the force will be ______.
