Advertisements
Advertisements
प्रश्न
You are given two similar bars; one is a soft iron and the other is a magnet. How will you distinguish between them without using any other magnet or bar?
टिप्पणी लिखिए
Advertisements
उत्तर
Suspend the iron bar and magnet freely in the space by using thread. And, move them here and there a few times. The bar which always points in north-south direction after coming to rest is a magnet and the other bar is the iron bar.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
How will you test whether a given rod is a magnet or not ?
Write true or false of the following statement.
Copper cannot be magnetised.
When magnetic material is taken close to a magnet, the material acquires ______.
The alloys called ______ and ______ are used for making industrial magnets.
With whom should I pair up?
| Group 'A' | Group 'B' |
| (a) Compass | 1. The highest magnetic force |
| (b) The door of a cupboard | 2. Like poles |
| (c) Repulsion | 3. A magnet |
| (d) Magnetic pole | 4. A magnetic needle |
Draw a clearly labelled diagram, to show how a steel bar is magnetised by a divided touch method. A written description is not required.
What do you understand by the term magnetic declination?
Define the term Magnetic axis
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
The strongest natural magnet is ______.
