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प्रश्न
Artificial magnets are made in different shapes such as ______, _____ and _______.
उत्तर
Artificial magnets are made in different shapes such as Bar-magnet, Horseshoe magnet, and Ring magnet.
संबंधित प्रश्न
Fill in the blank
Like poles ______ each other and unlike poles _____
Match the following
| Column A | Column B |
| (a). Human body | (1). electric bell |
| (b). Silk thread | (2). current |
| (c). Charge in motion | (3). conductor |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (5). insulator |
Write true or false of the following statement.
Magnetic keeper is a wooden piece.
Fill in the blank.
Magnetic poles always exist in ...............
Answer the following in detail.
List four methods of magnetizing a magnetic substance.
Distinguish between the two methods of making artificial magnets.
Describe two simple experiments to support the statement that magnetism is a property of the molecules of a magnet.
Describe, how you will proceed to determine the position of the pole of a bar magnet.
Bar magnets are often stored in pairs as shown in the figure. E and F being pieces of metal.
Mark on the diagram the poles of the second magnet,
Since every iron atom is a tiny magnet, why are not all iron bar magnets?
Give scientific reason:
Soft iron is used to make electromagnets.
An object that is attracted by magnet.
Match the following.
| Magnetite | Magnetic lines |
| A tiny pivoted magnet | Natural magnet |
| Cobalt | Compass box |
| Closed curves | Ferromagnetic material |
| Bismuth | Diamagnetic material |
Which is not attracted by a magnet?
Observe the pictures A and B given in Fig. 13.1 carefully.
Which of the following statement is correct for the above given pictures?
The pole of a freely suspended magnet that points towards the north is called the south pole and what points towards the south is the celled north pole.
