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प्रश्न
Which magnet will you use?
You are lost in a forest.
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उत्तर
A bar magnet or loadstone can be used to find the direction in the forest. This is because a bar magnet, when suspended freely, always rests in a north-south direction.
संबंधित प्रश्न
Fill in the blank
To light a table lamp and to run a refrigerator, we use ______ as the source of electricity.
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 |
“Poles exist in pair”. Comment on this statement ?
State three important uses of a magnet.
Answer the following.
Why is it not possible to isolate a single magnetic pole?
Fill in the blank.
The perpendicular bisector of the line joining the two poles of a magnet is called ...................
The south pole of a bar magnet and the north pole of a U-shaped magnet will _______.
What is the connection between electricity and magnetism?
