Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
You are given a magnet. How will you use it to find north-south direction at a place?
Write true or false of the following statement.
Copper cannot be magnetised.
State three important uses of a magnet.
Answer the following.
Why is it not possible to isolate a single magnetic pole?
Answer the following in detail.
Write a short note on the theory of magnetism.
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 |
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
If a magnet is carefully broken into two pieces as shown in figure (i), how does the magnetic strength of each piece compare with that of the original magnet? If another magnet is carefully broken in half along its long axis shown in figure (ii), how would the strength of each piece compare with that of the original magnet?
What is a natural magnet?
Distinguish between
Natural and artificial magnets.
