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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?
Explain why, a freely suspended magnet always points in the north-south direction.
A strong bar magnet is placed vertically above a horizontal wooden board. The magnetic lines of force will be:
(a) only in horizontal plane around the magnet
(b) only in vertical plane around the magnet
(c) in horizontal as well as in vertical planes around the magnet
(d) in all the planes around the magnet
An electron beam enters a magnetic field at right angles to it as shown in the Figure.
The direction of force acting on the electron beam will be:
to the left
to the right
into the page
out of the page
Explain the method of plotting the magnetic field lines by using a small compass needle.
Can two magnetic field lines intersect each other? Give reason to your answer.
Select the correct option:
Nickel is a:
Define the Isogonic line.
