Advertisements
Advertisements
Question
Define the term magnetic field of a magnet. How will you recognize it experimentally?
Advertisements
Solution
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
RELATED QUESTIONS
List three sources of magnetic fields.
- The diagram shows a bar magnet surrounded by four plotting compasses. Copy the diagram and mark in it the direction of the compass needle for each of the cases B, C and D.

- Which is the north pole, X or Y?
Name and define the SI unit of current.
A magnetic field can pass through ______ and ______.
Explain with the help of a diagram how the intensity and direction of the magnetic field of a bar magnet can be determined.
A magnetic field exerts no force on ______.
A magnetic field is a ______ quantity.
The ______ produces its own magnetic field, which shields the earth’s ozone layer from the ______ and is important in navigation.
The field at the center of the long circular coil carrying current will be parallel straight lines.
A wire placed along north south direction carries a current of 5A from south to north. Find the magnetic field due to a 1m piece of wire at a point 200 cm north east from the piece.
