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संबंधित प्रश्न
The strength of the magnetic field between the poles of an electromagnet would be unchanged if:
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]
Complete the following sentence :
If the field lines in a magnetic field are parallel and equidistant, the magnetic field is __________ .
In a uniform magnetic field, the field lines are:
The intensity of a magnetic field is indicated by the lines of ______.
Write a note on the 'magnetic field'.
Select the correct option:
A bar magnet is rubbed on a bar of steel along its length 20 times. The bar of steel gets magnetised due to the process of:
A magnetic needle is kept in a non-uniform magnetic field. It experiences ______.
The magnetic field lines are stronger near the ______ and it diminishes as you go away from it.
State the inference drawn about the direction of the magnetic field lines on the basis of the following diagrams.
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| Figure 'a' | Figure 'b' |
