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प्रश्न
What do you meant by the term pole of a magnet? Magnetically speaking, what is the difference between a piece of brass, a piece of soft iron, and a piece of lode- stone?
उत्तर
Pole of a magnet: Each end of a bar magnet is called its pole. The point situated slightly inside a bar magnet, where most of its magnetic power is concentrated, is called magnetic pole or pole of a magnet.
Brass is not a magnetic substance and it is not affected by a magnetic field. It does not stick to a magnet.
Soft iron is a ferromagnetic substance and gets strongly attracted to a magnet. Soft iron can not attract other magnetic substances unless gets magnetized.
Lode stone is a naturally magnetized piece of mineral magnetite. It can attract other magnetic substance.
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संबंधित प्रश्न
Fill in the following blank with suitable words:
Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.
Explain the mechanism of attraction of iron nails by a magnet when brought near them.
Explain why iron filings which are sprinkled on a sheet of cardboard placed over a bar magnet take up a definite pattern when cardboard is slightly tapped.
Can two magnetic field lines intersect each other? Give reason to your answer.
What are the properties of a magnet?
State whether true or false. If false, correct the statement.
Magnetic field lines always repel each other and do not intersect.
Write the properties of magnetic lines of force.
The relation between weber and Tesla is ______.
______ is the number of magnetic field lines passing through a given area.
The magnetic field lines are stronger near the ______ and it diminishes as you go away from it.
