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प्रश्न
Select the correct option:
Nickel is a:
विकल्प
ferromagnetic substance
paramagnetic substance
diamagnetic substance
none of these
उत्तर
ferromagnetic substance
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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?
Fill in the following blank with suitable words:
The earth's magnetic field is rather like that of a .......... magnet with its .......... pole in the northern hemisphere.
Explain why, two magnetic field lines of not intersect each other.
A thick wire is hanging form a wooden table. An anticlockwise magnetic field is to be produced around the wire by passing current through this wire by using a battery. Which terminal of the battery should be connected to the:
(a) top end of wire?
(b) bottom end of wire?
Give reason for your choice.
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]
Explain the following :
Several soft iron pins can cling, one below the other, from the pole of a magnet.
In following figure, draw at least two magnetic field lines between the two magnets.
(a) 
Write a note on the 'magnetic field'.
Complete the following diagram of magnets to show the lines of force.
Write the properties of magnetic lines of force.
