Advertisements
Advertisements
प्रश्न
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
Advertisements
उत्तर
E and F are placed in contact with the poles of magnets to preserve the strength of the magnet.
APPEARS IN
संबंधित प्रश्न
What is a magnet?
Answer the following in detail.
Write a short note on the theory of magnetism.
There is repulsion between the _____ poles of a magnet and attraction between its _____ poles.
The alloys called ______ and ______ are used for making industrial magnets.
The real test of a magnet is ______.
Distinguish between the two methods of making artificial magnets.
What do you understand by the term magnetic declination?
How can you identify non-magnetic materials? Give an example of a nonmagnetic material.
What is the connection between electricity and magnetism?
