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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
Fill in the following blank with suitable words:
Magnetic field lines leave the .......... pole of a bar magnet and enter at its .......... pole.
Fill in the following blank with suitable words:
The lines of ........... round a straight current-carrying conductor are in the shape of ...........
Explain the following :
When two pins are hung by their heads from the same pole of a magnet, their pointed ends moves apart.
Draw diagram showing the arrangement of the lines of force for two magnets in line, with unlike poles facing one another.
What are the properties of a magnet?
Magnetic lines of force never ______ each other.
______ is the number of magnetic field lines passing through a given area.
Define magnetic field lines of force.
