Advertisements
Advertisements
प्रश्न
Write true or false of the following statement.
Copper cannot be magnetised.
विकल्प
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Select the correct alternative
A freely suspended magnet rests in
Tick the most appropriate answer.
The surest test of magnetism is
Define the following term regarding a bar magnet:
Effective length
Draw lines of force surrounding a bar magnet when it is placed in the magnetic meridian with its north pole pointing geographic south.
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?
The figure shows a freely suspended magnet in the rest position. Copy the diagram and on its show:
- Angle of declination
- Angle in dip
Draw the magnetic field lines around a bar magnet when a bar magnet is placed such that the N pole points North.
Magnets are used in _______ for generating electricity.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Observe the pictures A and B given in figure carefully.
Which of the following statement is correct for the above given pictures?
