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प्रश्न
Tick the most appropriate answer.
The surest test of magnetism is
पर्याय
attraction
repulsion
diffusion
hammering
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उत्तर
repulsion
संबंधित प्रश्न
Select the correct alternative
A freely suspended magnet rests in
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.
Magnetic poles occur in pairs.
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
State four important properties of a bar magnet?
Answer the following in short.
If a bar magnet is placed over iron filings, where will the attraction of the iron fillings be
- maximum?
- minimum?
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
A magnet remains steady in a ________ direction.
Write the answer in your word.
What are the practical uses of a magnet?
Select the correct option:
The substance which form a strong temporary magnet is:
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Name the metal used for E and F.
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?
What are magnetic keepers? What are they used for?
What is a natural magnet?
State three important properties of a magnet.
Define the following term:
Magnetic meridian
Write a short note on lighting conductors.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
What is the connection between electricity and magnetism?
