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प्रश्न
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 |
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उत्तर
| Column A | Column B |
| (a). Human body | (3). conductor |
| (b). Silk thread | (5). insulator |
| (c). Charge in motion | (2). current |
| (d). soft iron | (4). electromagnet |
| (e) . Electromagnet | (1). electric bell |
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संबंधित प्रश्न
Write true or false of the following statement.
Magnetic poles occur in pairs.
Give a reason for the following.
Iron is a magnetic substance.
Answer the following in detail.
How can a magnet be demagnetized?
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.
Why are E and F placed in contact with the poles of the magnets as shown in the diagram?
Define the term Magnetic axis
With the help of a diagram explain the following:
Magnetisation of an iron bar by a single touch method.
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
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.
Define the terms magnet and magnetism.
