Advertisements
Advertisements
प्रश्न
Define the term magnetic field of a magnet. How will you recognize it experimentally?
Advertisements
उत्तर
The space around a magnet in which if a magnetic substance such as small pieces of iron are placed, they get attracted to the magnet, which is called the magnetic field.
Recognition of the magnetic field around a magnet: If a magnet is placed below a sheet of stiff paper and some iron filings are spread on it, then on tapping the sheet gently, the iron filings are found to arrange themselves in a definite pattern as shown in fig.
APPEARS IN
संबंधित प्रश्न
Why don’t two magnetic lines of force intersect each other?
The diagram shows a bar magnet surrounded by four plotting compasses. Copy the diagram and mark in it the direction of he compass needle for each of the cases B, C, and D.
Which is the north pole, X or Y?
Give detailed information about how the merchants of olden times used a magnet while travelling.
Define magnetic field.
The unit of magnetic flux density is ______.
State Fleming’s Left Hand Rule.
The ______ produces its own magnetic field, which shields the earth’s ozone layer from the ______ and is important in navigation.
A current flowing in a wire gives rise to a magnetic field.
The force on a charged particle moving in a magnetic field is maximum when the angle between the direction of motion and field is 90°.
The field at the center of the long circular coil carrying current will be parallel straight lines.
