Advertisements
Advertisements
प्रश्न
Define the term magnetic field of a magnet. How will you recognize it experimentally?
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
List three sources of magnetic fields.
Where do the manufactures use a magnetic strip in the refrigerator? Why is this magnetic strip used?
Tick the most appropriate answer.
The region around a magnet where its magnetic force can be experienced is called
A compass is used for ______.
Define magnetic flux density.
Write a note on:
Compass needle
The magnetic field inside a ______ is uniform.
A current flowing in a wire gives rise to a magnetic field.
Magnetic fields do not interact with electric charges in motion.
Assertion (A): The work done by a magnetic field on a moving charge is zero.
Reason (R): In a magnetic field force is perpendicular to the velocity.
