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प्रश्न
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 |
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उत्तर
| Group 'A' | Group 'B' |
| (a) Compass | 4. A magnetic needle |
| (b) The door of a cupboard | 3. A magnet |
| (c) Repulsion | 2. Like poles |
| (d) Magnetic pole | 1. The highest magnetic force |
संबंधित प्रश्न
What is a magnet?
Answer the following.
Can you bring two similar poles of two different magnetic close together easily? Why?
There are two knitting needles. One of them is magnetized. How will you find out which one is magnetized, if no other magnet is available?
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
What is the material of darkened part?
What is meant by electrostatic induction? You have been given two metal containers A and Band a positively charged body X. With the help of a diagram, explain the different stages of charging - A positively, and B negatively.
Maximum iron filings stick in the middle of a bar magnet when it is brought near them.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Define artificial magnet.
